[source] build: remove obsolete mips32r2 CPU_TYPE

[LEDE Commits]

nbd pushed a commit to source.git, branch master:
https://git.lede-project.org/cbbd71b6e50f057b2ff5acc05980152005e1cfeb

commit cbbd71b6e50f057b2ff5acc05980152005e1cfeb
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Tue Jan 24 12:30:26 2017 +0100

    build: remove obsolete mips32r2 CPU_TYPE
    
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
---
 include/target.mk | 1 -
 1 file changed, 1 deletion(-)

diff --git a/include/target.mk b/include/target.mk
index bca4af4..2e0bf49 100644
--- a/include/target.mk
+++ b/include/target.mk
@@ -164,7 +164,6 @@ ifeq ($(DUMP),1)
     endif
     CPU_CFLAGS += -mno-branch-likely
     CPU_CFLAGS_mips32 = -mips32 -mtune=mips32
-    CPU_CFLAGS_mips32r2 = -mips32r2 -mtune=mips32r2
     CPU_CFLAGS_mips64 = -mips64 -mtune=mips64 -mabi=64
     CPU_CFLAGS_24kc = -mips32r2 -mtune=24kc
     CPU_CFLAGS_74kc = -mips32r2 -mtune=74kc