[source] lantiq: remove CPU_TYPE:=mips32r2, it gets overwritten anyway

[LEDE Commits]

nbd pushed a commit to source.git, branch master:
https://git.lede-project.org/ad85464f11ee40ef1861d0a610ca4a3503835f9f

commit ad85464f11ee40ef1861d0a610ca4a3503835f9f
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Tue Jan 24 13:33:45 2017 +0100

    lantiq: remove CPU_TYPE:=mips32r2, it gets overwritten anyway
    
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
---
 target/linux/lantiq/Makefile | 2 --
 1 file changed, 2 deletions(-)

diff --git a/target/linux/lantiq/Makefile b/target/linux/lantiq/Makefile
index 66f3e76..3e4f48e 100644
--- a/target/linux/lantiq/Makefile
+++ b/target/linux/lantiq/Makefile
@@ -14,8 +14,6 @@ MAINTAINER:=John Crispin <john at phrozen.org>
 
 KERNEL_PATCHVER:=4.4
 
-CPU_TYPE:=mips32r2
-
 define Target/Description
 	Build firmware images for Lantiq SoC
 endef