crisv32 needs latest gcc from git

target/config/Config.in.compiler

@@ -16,6 +16,7 @@ endchoice
 choice
 prompt "GCC version"
 depends on ADK_BUILD_COMPILER_GCC
+default ADK_TOOLCHAIN_GCC_GIT if ADK_TARGET_ARCH_CRIS
 default ADK_TOOLCHAIN_GCC_ARC if ADK_TARGET_ARCH_ARC
 default ADK_TOOLCHAIN_GCC_OR1K if ADK_TARGET_ARCH_OR1K
 default ADK_TOOLCHAIN_GCC_NDS32 if ADK_TARGET_ARCH_NDS32
@@ -40,6 +41,7 @@ config ADK_TOOLCHAIN_GCC_6
 	bool "6.3.0"
 	depends on !ADK_TARGET_ARCH_ARC
 	depends on !ADK_TARGET_ARCH_AVR32
+	depends on !ADK_TARGET_ARCH_CRIS
 	depends on !ADK_TARGET_ARCH_METAG
 	depends on !ADK_TARGET_ARCH_NDS32
 	depends on !ADK_TARGET_ARCH_OR1K