reintroduce arc binutils/gcc from github

target/config/Config.in.binutils

@@ -3,6 +3,7 @@
 
 choice
 prompt "Binutils version"
+default ADK_TOOLCHAIN_BINUTILS_ARC if ADK_TARGET_ARCH_ARC
 default ADK_TOOLCHAIN_BINUTILS_AVR32 if ADK_TARGET_ARCH_AVR32
 default ADK_TOOLCHAIN_BINUTILS_NDS32 if ADK_TARGET_ARCH_NDS32
 default ADK_TOOLCHAIN_BINUTILS_2_28 if ADK_TARGET_CPU_SH_J2
@@ -29,6 +30,10 @@ config ADK_TOOLCHAIN_BINUTILS_2_28
 	bool "2.28"
 	depends on ADK_TARGET_CPU_SH_J2
 
+config ADK_TOOLCHAIN_BINUTILS_ARC
+	bool "arc-2020.09-eng007"
+	depends on ADK_TARGET_ARCH_ARC
+
 config ADK_TOOLCHAIN_BINUTILS_NDS32
 	bool "nds32-2.30-open"
 	depends on ADK_TARGET_ARCH_NDS32

target/config/Config.in.compiler

@@ -12,6 +12,7 @@ endchoice
 choice
 prompt "GCC version"
 depends on ADK_BUILD_COMPILER_GCC
+default ADK_TOOLCHAIN_GCC_ARC if ADK_TARGET_ARCH_ARC
 default ADK_TOOLCHAIN_GCC_AVR32 if ADK_TARGET_ARCH_AVR32
 default ADK_TOOLCHAIN_GCC_LM32 if ADK_TARGET_ARCH_LM32
 default ADK_TOOLCHAIN_GCC_METAG if ADK_TARGET_ARCH_METAG
@@ -21,7 +22,6 @@ default ADK_TOOLCHAIN_GCC_7 if ADK_TARGET_CPU_ARM_CORTEX_A53
 default ADK_TOOLCHAIN_GCC_9 if ADK_TARGET_ARCH_CSKY
 default ADK_TOOLCHAIN_GCC_9 if ADK_TARGET_ARCH_HPPA
 default ADK_TOOLCHAIN_GCC_9 if ADK_TARGET_ARCH_OR1K
-default ADK_TOOLCHAIN_GCC_10 if ADK_TARGET_ARCH_ARC
 default ADK_TOOLCHAIN_GCC_8
 
 config ADK_TOOLCHAIN_GCC_GIT
@@ -67,6 +67,10 @@ config ADK_TOOLCHAIN_GCC_7
 	depends on !ADK_TARGET_ARCH_NDS32
 	depends on !ADK_TARGET_ARCH_OR1K
 
+config ADK_TOOLCHAIN_GCC_ARC
+	bool "arc-2020.09-eng007"
+	depends on ADK_TARGET_ARCH_ARC
+
 config ADK_TOOLCHAIN_GCC_AVR32
 	bool "4.4.7-avr32"
 	depends on ADK_TARGET_ARCH_AVR32

toolchain/binutils/Makefile.inc

@@ -23,6 +23,13 @@ PKG_HASH:=		cd717966fc761d840d451dbd58d44e1e5b92949d2073d75b73fccb476d772fcf
 PKG_SITES:=		${MASTER_SITE_GNU:=binutils/}
 DISTFILES:=		${PKG_NAME}-${PKG_VERSION}.tar.gz
 endif
+ifeq ($(ADK_TOOLCHAIN_BINUTILS_ARC),y)
+PKG_VERSION:=          arc-2020.09-eng007
+PKG_GIT:=              tag
+PKG_RELEASE:=          1
+PKG_SITES:=            https://github.com/foss-for-synopsys-dwc-arc-processors/binutils-gdb.git
+DISTFILES:=            ${PKG_NAME}-${PKG_VERSION}.tar.xz
+endif
 ifeq ($(ADK_TOOLCHAIN_BINUTILS_NDS32),y)
 PKG_VERSION:=		nds32-binutils-2.30-branch-open
 PKG_GIT:=		branch

toolchain/gcc/Makefile.inc

@@ -34,6 +34,13 @@ PKG_RELEASE:=		1
 DISTFILES:=		${PKG_NAME}-${PKG_VERSION}.tar.xz
 LIBSTDCXXVER:=		23
 endif
+ifeq ($(ADK_TOOLCHAIN_GCC_ARC),y)
+PKG_VERSION:=          arc-2020.09-eng007
+PKG_GIT:=              tag
+PKG_SITES:=            https://github.com/foss-for-synopsys-dwc-arc-processors/gcc.git
+PKG_RELEASE:=          1
+DISTFILES:=            ${PKG_NAME}-${PKG_VERSION}.tar.xz
+endif
 ifeq ($(ADK_TOOLCHAIN_GCC_AVR32),y)
 PKG_VERSION:=		4.4.7
 PKG_HASH:=		76ad7c433af1c798a1e116c4dfa8f5f794f0d32bff65f88c54dcd5e5d146fc32