microblaze: Correspond CONFIG...PCMP in Makefile/Kconfig

Makefile contained different cpu config flag
than is in Kconfig.auto in platform folder

Signed-off-by: Michal Simek <monstr@monstr.eu>
diff --git a/arch/microblaze/Makefile b/arch/microblaze/Makefile
index 0dcbb98..ee302f9 100644
--- a/arch/microblaze/Makefile
+++ b/arch/microblaze/Makefile
@@ -26,7 +26,7 @@
 endif
 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_DIV) += -mno-xl-soft-div
 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_BARREL) += -mxl-barrel-shift
-CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP) += -mxl-pattern-compare
+CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR) += -mxl-pattern-compare
 
 CPUFLAGS-1 += $(call cc-option,-mcpu=v$(CPU_VER))