mpc85xx: make kernel 6.12 the default kernel

Signed-off-by: David Bauer <[email protected]>

target/linux/mpc85xx/Makefile

@@ -11,8 +11,7 @@ CPU_TYPE:=8548
 FEATURES:=squashfs ramdisk nand
 SUBTARGETS:=p1010 p1020 p2020
 
-KERNEL_PATCHVER:=6.6
-KERNEL_TESTING_PATCHVER:=6.12
+KERNEL_PATCHVER:=6.12
 
 KERNELNAME:=zImage