[source] toolchain: get rid of GCC_VERSION_5 config symbol

[LEDE Commits]

nbd pushed a commit to source.git, branch master:
https://git.lede-project.org/?p=source.git;a=commitdiff;h=a4e90e2cac9d0afb41842b8a197b3acee903b9ad

commit a4e90e2cac9d0afb41842b8a197b3acee903b9ad
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Thu Jul 14 12:08:03 2016 +0200

    toolchain: get rid of GCC_VERSION_5 config symbol
    
    Replace it with !GCC_VERSION_4_8 to be more future compatible
    
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
---
 config/Config-build.in       | 4 ++--
 toolchain/gcc/Config.in      | 1 -
 toolchain/gcc/Config.version | 4 ----
 3 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/config/Config-build.in b/config/Config-build.in
index 23cf83b..6d81bef 100644
--- a/config/Config-build.in
+++ b/config/Config-build.in
@@ -236,7 +236,7 @@ menu "Global build settings"
 		config PKG_CC_STACKPROTECTOR_STRONG
 			bool "Strong"
 			select SSP_SUPPORT if !USE_MUSL
-			depends on GCC_VERSION_5
+			depends on !GCC_VERSION_4_8
 			depends on KERNEL_CC_STACKPROTECTOR_STRONG
 	endchoice
 
@@ -251,7 +251,7 @@ menu "Global build settings"
 		config KERNEL_CC_STACKPROTECTOR_REGULAR
 			bool "Regular"
 		config KERNEL_CC_STACKPROTECTOR_STRONG
-			depends on GCC_VERSION_5
+			depends on !GCC_VERSION_4_8
 			bool "Strong"
 	endchoice
 
diff --git a/toolchain/gcc/Config.in b/toolchain/gcc/Config.in
index def296f..7cb6d37 100644
--- a/toolchain/gcc/Config.in
+++ b/toolchain/gcc/Config.in
@@ -13,7 +13,6 @@ choice
 		depends on arc
 
 	config GCC_USE_VERSION_5
-		select GCC_VERSION_5
 		bool "gcc 5.x"
 		depends on !arc
 
diff --git a/toolchain/gcc/Config.version b/toolchain/gcc/Config.version
index 30df723..e83553f 100644
--- a/toolchain/gcc/Config.version
+++ b/toolchain/gcc/Config.version
@@ -10,7 +10,3 @@ config GCC_VERSION
 config GCC_VERSION_4_8
 	bool
 	default y	if GCC_VERSION_4_8_ARC
-
-config GCC_VERSION_5
-	default y if (!TOOLCHAINOPTS && !arc)
-	bool