Kconfig: improve uniformity

Signed-off-by: Petro Karashchenko <petro.karashchenko@gmail.com>

arch/risc-v/src/bl602/Kconfig

@@ -65,13 +65,13 @@ menu "SPI Flash configuration"
 config BL602_MTD_OFFSET
 	hex "MTD base address in SPI Flash"
 	default 0x001c5000
-	help
+	---help---
 		MTD base address in SPI Flash.
 
 config BL602_MTD_SIZE
 	hex "MTD size in SPI Flash"
 	default 0x30000
-	help
+	---help---
 		MTD size in SPI Flash.
 
 endmenu # BL602_SPIFLASH

arch/risc-v/src/esp32c3/Kconfig

@@ -830,7 +830,7 @@ choice ESP32C3_WIFI_LOG_LEVEL
 	depends on DEBUG_INFO
 	prompt "WiFi debug log level"
 	default WIFI_LOG_LEVEL_INFO
-	help
+	---help---
 		The WiFi log is divided into the following levels: ERROR,WARNING,INFO,DEBUG,VERBOSE.
 
 	config WIFI_LOG_LEVEL_NONE

arch/xtensa/Kconfig

@@ -201,7 +201,7 @@ config XTENSA_INTBACKTRACE
 config XTENSA_IMEM_USE_SEPARATE_HEAP
 	bool "Use a separate heap for internal memory"
 	default n
-	help
+	---help---
 		This is a separate internal heap that's used by drivers when certain operations
 		are not possible with the provided buffer(s).
 		Mainly, when the provided buffer comes from external RAM and a DMA or flash
@@ -216,7 +216,7 @@ config XTENSA_IMEM_REGION_SIZE
 config XTENSA_EXTMEM_BSS
 	bool "Allow BSS section in external memory"
 	default n
-	help
+	---help---
 		Adds a section and an attribute that allows to force variables into
 		the external memory.
 

boards/xtensa/esp32/esp32-devkitc/Kconfig

@@ -44,7 +44,7 @@ config D0WD_PSRAM_CLK_IO
 	int "PSRAM CLK IO number"
 	range 0 33
 	default 17
-	help
+	---help---
 		The PSRAM CLOCK IO can be any unused GPIO, user can config it
 		based on hardware design. If user use 1.8V flash and 1.8V psram,
 		this value can only be one of 6, 7, 8, 9, 10, 11, 16, 17.
@@ -53,7 +53,7 @@ config D0WD_PSRAM_CS_IO
 	int "PSRAM CS IO number"
 	range 0 33
 	default 16
-	help
+	---help---
 		The PSRAM CS IO can be any unused GPIO, user can config it based
 		on hardware design. If user use 1.8V flash and 1.8V psram, this
 		value can only be one of 6, 7, 8, 9, 10, 11, 16, 17.
@@ -64,7 +64,7 @@ config D2WD_PSRAM_CLK_IO
 	int "PSRAM CLK IO number"
 	range 0 33
 	default 9
-	help
+	---help---
 		User can config it based on hardware design. For ESP32-D2WD chip,
 		the psram can only be 1.8V psram, so this value can only be one
 		of 6, 7, 8, 9, 10, 11, 16, 17.
@@ -73,7 +73,7 @@ config D2WD_PSRAM_CS_IO
 	int "PSRAM CS IO number"
 	range 0 33
 	default 10
-	help
+	---help---
 		User can config it based on hardware design. For ESP32-D2WD chip,
 		the psram can only be 1.8V psram, so this value can only be one
 		of 6, 7, 8, 9, 10, 11, 16, 17.
@@ -84,7 +84,7 @@ config PICO_PSRAM_CS_IO
 	int "PSRAM CS IO number"
 	range 0 33
 	default 10
-	help
+	---help---
 		The PSRAM CS IO can be any unused GPIO, user can config it based on
 		hardware design.
 		For ESP32-PICO chip, the psram share clock with flash, so user do
@@ -97,7 +97,7 @@ config ESP32_SPIRAM_SPIWP_SD3_PIN
 	int "SPI PSRAM WP(SD3) Pin when customising pins via eFuse (read help)"
 	range 0 33
 	default 7
-	help
+	---help---
 		This value is ignored unless flash mode is set to DIO or DOUT and
 		the SPI flash pins have been overridden by setting the eFuses
 		SPI_PAD_CONFIG_xxx.

libs/libc/symtab/Kconfig

@@ -6,7 +6,7 @@
 config ALLSYMS
 	bool "Load all symbols for debugging"
 	default n
-	help
+	---help---
 		Say Y here to let the nuttx print out symbolic crash information and
 		symbolic stack backtraces. This increases the size of the nuttx
 		somewhat, as all symbols have to be loaded into the nuttx image.