nuttx: use TABs instead of spaces in Kconfig files

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

arch/arm/src/gd32f4/Kconfig

@@ -75,7 +75,7 @@ choice
 				   E   	512
 				   G   	1024
 				   I   	2048
-				   K	3072
+				   K   	3072
 
 		This configuration option defaults to using the configuration based
 		on that designator or the default smaller size if there is no last
@@ -91,19 +91,19 @@ choice
 		   the larger FLASH part.
 
 config GD32F4_FLASH_CONFIG_DEFAULT
-			bool "Default"
+	bool "Default"
 
 config GD32F4_FLASH_CONFIG_E
-			bool "E 512KiB"
+	bool "E 512KiB"
 
 config GD32F4_FLASH_CONFIG_G
-			bool "G 1024KiB"
+	bool "G 1024KiB"
 
 config GD32F4_FLASH_CONFIG_I
-			bool "I 2048KiB"
+	bool "I 2048KiB"
 
 config GD32F4_FLASH_CONFIG_K
-			bool "K 3072KiB"
+	bool "K 3072KiB"
 
 endchoice
 
@@ -116,7 +116,6 @@ config GD32F4_GD32F4XX
 	select GD32F4_HAVE_OVERDRIVE
 	select GD32F4_HAVE_EXMC
 
-
 config GD32F4_GD32F405
 	bool
 	default n

arch/arm/src/stm32/Kconfig

@@ -1242,40 +1242,40 @@ choice
 		   the larger FLASH part.
 
 config STM32_FLASH_CONFIG_DEFAULT
-			bool "Default"
+	bool "Default"
 
 config STM32_FLASH_CONFIG_4
-			bool "4 16KiB"
+	bool "4 16KiB"
 
 config STM32_FLASH_CONFIG_6
-			bool "6 32KiB"
+	bool "6 32KiB"
 
 config STM32_FLASH_CONFIG_8
-			bool "8 64KiB"
+	bool "8 64KiB"
 
 config STM32_FLASH_CONFIG_B
-			bool "B 128KiB"
+	bool "B 128KiB"
 
 config STM32_FLASH_CONFIG_Z
-			bool "Z 192KiB"
+	bool "Z 192KiB"
 
 config STM32_FLASH_CONFIG_C
-			bool "C 256KiB"
+	bool "C 256KiB"
 
 config STM32_FLASH_CONFIG_D
-			bool "D 384KiB"
+	bool "D 384KiB"
 
 config STM32_FLASH_CONFIG_E
-			bool "E 512KiB"
+	bool "E 512KiB"
 
 config STM32_FLASH_CONFIG_F
-			bool "F 768KiB"
+	bool "F 768KiB"
 
 config STM32_FLASH_CONFIG_G
-			bool "G 1024KiB"
+	bool "G 1024KiB"
 
 config STM32_FLASH_CONFIG_I
-			bool "I 2048KiB"
+	bool "I 2048KiB"
 
 endchoice