toolchain/toolchain-external/toolchain-external-codescape-mti-mips: remove wrong MIPS32r5 and MIPS64r5 support

This toolchain doesn't support MIPS32r5 and MIPS64r5 and the toolchain
infrastructure fail to import the sysroot to staging.

Fixes: c4a62fa6278058461ff9e501ba6e822486453493
Fixes: http://autobuild.buildroot.org/results/701/701e8a5f713f7bdd1f32a4c549cdaac580e2522a/

Signed-off-by: Romain Naour <romain.naour@gmail.com>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Arnout Vandecappelle <arnout@mind.be>
(cherry picked from commit 8eee178355cafa156d93bdc0cd447618dd1a1abc)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

toolchain/toolchain-external/toolchain-external-codescape-mti-mips/Config.in

@@ -3,8 +3,7 @@ config BR2_TOOLCHAIN_EXTERNAL_CODESCAPE_MTI_MIPS
 	depends on BR2_mips || BR2_mipsel || BR2_mips64 || BR2_mips64el
 	depends on !BR2_ARCH_NEEDS_GCC_AT_LEAST_7
 	depends on BR2_HOSTARCH = "x86_64" || BR2_HOSTARCH = "x86"
-	depends on BR2_MIPS_CPU_MIPS32R2 || (BR2_MIPS_CPU_MIPS64R2 && !BR2_MIPS_SOFT_FLOAT) || \
-		BR2_MIPS_CPU_MIPS32R5 || (BR2_MIPS_CPU_MIPS64R5 && !BR2_MIPS_SOFT_FLOAT)
+	depends on BR2_MIPS_CPU_MIPS32R2 || (BR2_MIPS_CPU_MIPS64R2 && !BR2_MIPS_SOFT_FLOAT)
 	depends on !BR2_STATIC_LIBS
 	select BR2_TOOLCHAIN_EXTERNAL_GLIBC
 	select BR2_INSTALL_LIBSTDCPP