build: Replace WINTOOL with CYGWIN_WINTOOL Kconfig

so the correct value can be determinated by Kconfig system automatically

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>

arch/misoc/src/Makefile

@@ -53,7 +53,7 @@ ifeq ($(CONFIG_WINDOWS_NATIVE),y)
   INCLUDES += -I "$(TOPDIR)\sched"
 else
   ARCH_SRCDIR = $(TOPDIR)/arch/$(CONFIG_ARCH)/src
-ifeq ($(WINTOOL),y)
+ifeq ($(CONFIG_CYGWIN_WINTOOL),y)
   NUTTX = "${shell cygpath -w $(TOPDIR)/nuttx$(EXEEXT)}"
   INCLUDES += -I "${shell cygpath -w $(ARCH_SRCDIR)/chip}"
   INCLUDES += -I "${shell cygpath -w $(ARCH_SRCDIR)/common}"
@@ -104,7 +104,7 @@ endif
 else
   BOARDMAKE = $(if $(wildcard ./board/Makefile),y,)
 
-ifeq ($(WINTOOL),y)
+ifeq ($(CONFIG_CYGWIN_WINTOOL),y)
   LIBPATHS += -L"${shell cygpath -w "$(TOPDIR)/staging"}"
 ifeq ($(BOARDMAKE),y)
   LIBPATHS += -L"${shell cygpath -w "$(TOPDIR)/arch/$(CONFIG_ARCH)/src/board"}"

arch/misoc/src/lm32/Kconfig

@@ -25,6 +25,7 @@ config LM32_TOOLCHAIN_GNUL
 config LM32_TOOLCHAIN_GNUW
 	bool "Generic GNU toolchain under Windows"
 	depends on TOOLCHAIN_WINDOWS
+	select CYGWIN_WINTOOL if WINDOWS_CYGWIN
 	select ARCH_TOOLCHAIN_GNU
 	---help---
 		This option should work for any modern GNU toolchain (GCC 4.5 or newer)

arch/misoc/src/lm32/Toolchain.defs

@@ -49,13 +49,13 @@ endif
 ifeq ($(filter y, \
       $(CONFIG_LM32_TOOLCHAIN_GNUL) \
     ),y)
-  CONFIG_LM32_TOOLCHAIN ?= GNUL
+  CONFIG_LM32_TOOLCHAIN ?= GNU
 endif
 
 ifeq ($(filter y, \
       $(CONFIG_LM32_TOOLCHAIN_GNUW) \
     ),y)
-  CONFIG_LM32_TOOLCHAIN ?= GNUW
+  CONFIG_LM32_TOOLCHAIN ?= GNU
 endif
 
 #
@@ -84,21 +84,10 @@ ifeq ($(CONFIG_LM32_TOOLCHAIN),BUILDROOT)
   MAXOPTIMIZATION ?= -Os
 endif
 
-# Generic GNU toolchain on macOS, Linux or any typical Posix system
+# Generic GNU toolchain
 
 ifeq ($(CONFIG_LM32_TOOLCHAIN),GNUL)
   CROSSDEV ?= lm32-elf-
   ARCROSSDEV ?= lm32-elf-
   MAXOPTIMIZATION ?= -Os
 endif
-
-# Generic GNU toolchain under Windows (native)
-
-ifeq ($(CONFIG_LM32_TOOLCHAIN),GNUW)
-  CROSSDEV ?= lm32-elf--
-  ARCROSSDEV ?= lm32-elf--
-  MAXOPTIMIZATION ?= -Os
-  ifeq ($(CONFIG_WINDOWS_CYGWIN),y)
-    WINTOOL = y
-  endif
-endif

arch/misoc/src/minerva/Kconfig

@@ -25,6 +25,7 @@ config MINERVA_TOOLCHAIN_GNUL
 config MINERVA_TOOLCHAIN_GNUW
 	bool "Generic GNU toolchain under Windows"
 	depends on TOOLCHAIN_WINDOWS
+	select CYGWIN_WINTOOL if WINDOWS_CYGWIN
 	select ARCH_TOOLCHAIN_GNU
 	---help---
 		This option should work for any modern GNU toolchain (GCC 4.5 or newer)