package/gcc: remove gcc 5.5 or1k fork

Remove the old gcc 5.5 fork for or1k architecture
that start to fail to build with recent version
of Binutils >= 2.32 with the following error:

host-gcc-final-or1k-musl-5.4.0-20170218/build/./gcc/crtbeginS.o: addend should be zero for plt relocations
host/or1k-buildroot-linux-uclibc/bin/ld: final link failed: bad value

https://gitlab.com/kubu93/buildroot/-/jobs/391938988

Signed-off-by: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

Config.in.legacy

@@ -146,6 +146,13 @@ endif
 
 comment "Legacy options removed in 2020.02"
 
+config BR2_GCC_VERSION_OR1K
+	bool "gcc 5.x fork for or1k has been removed"
+	select BR2_LEGACY
+	help
+	  Support for gcc 5.x for or1k has been removed. The current
+	  default version (9.x or later) has been selected instead.
+
 config BR2_PACKAGE_BLUEZ_UTILS
 	bool "bluez-utils was removed"
 	select BR2_LEGACY

package/gcc/Config.in.host

@@ -4,7 +4,6 @@ choice
 	prompt "GCC compiler Version"
 	default BR2_GCC_VERSION_ARC if BR2_arc
 	default BR2_GCC_VERSION_CSKY if BR2_csky
-	default BR2_GCC_VERSION_OR1K if BR2_or1k
 	default BR2_GCC_VERSION_8_X
 	help
 	  Select the version of gcc you wish to use.
@@ -21,12 +20,6 @@ config BR2_GCC_VERSION_CSKY
 	depends on BR2_csky
 	select BR2_TOOLCHAIN_GCC_AT_LEAST_6
 
-config BR2_GCC_VERSION_OR1K
-	bool "gcc or1k (5.x)"
-	# Only supported architecture
-	depends on BR2_or1k
-	select BR2_TOOLCHAIN_GCC_AT_LEAST_5
-
 config BR2_GCC_VERSION_5_X
 	bool "gcc 5.x"
 	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_6
@@ -96,7 +89,6 @@ config BR2_GCC_VERSION
 	default "8.3.0"     if BR2_GCC_VERSION_8_X
 	default "9.2.0"     if BR2_GCC_VERSION_9_X
 	default "arc-2019.09-release" if BR2_GCC_VERSION_ARC
-	default "or1k-musl-5.4.0-20170218" if BR2_GCC_VERSION_OR1K
 	default "48152afb96c59733d5bc79e3399bb7b3d4b44266" if BR2_GCC_VERSION_CSKY
 
 config BR2_EXTRA_GCC_CONFIG_OPTIONS

package/gcc/gcc.mk

@@ -13,9 +13,6 @@ GCC_VERSION = $(call qstrip,$(BR2_GCC_VERSION))
 ifeq ($(BR2_GCC_VERSION_ARC),y)
 GCC_SITE = $(call github,foss-for-synopsys-dwc-arc-processors,gcc,$(GCC_VERSION))
 GCC_SOURCE = gcc-$(GCC_VERSION).tar.gz
-else ifeq ($(BR2_GCC_VERSION_OR1K),y)
-GCC_SITE = $(call github,openrisc,or1k-gcc,$(GCC_VERSION))
-GCC_SOURCE = gcc-$(GCC_VERSION).tar.gz
 else ifeq ($(BR2_csky),y)
 GCC_SITE = $(call github,c-sky,gcc,$(GCC_VERSION))
 GCC_SOURCE = gcc-$(GCC_VERSION).tar.gz
@@ -168,7 +165,7 @@ else
 HOST_GCC_COMMON_CONF_OPTS += --without-isl --without-cloog
 endif
 
-ifeq ($(BR2_arc)$(BR2_GCC_VERSION_OR1K),y)
+ifeq ($(BR2_arc),y)
 HOST_GCC_COMMON_DEPENDENCIES += host-flex host-bison
 endif