[POWERPC] Fix misspelled "CONFIG_CHECK_CACHE_COHERENCY" Kconfig option.

Signed-off-by: NRobert P. J. Day <rpjday@mindspring.com>
Signed-off-by: NPaul Mackerras <paulus@samba.org>

arch/powerpc/configs/prpmc2800_defconfig

@@ -48,7 +48,7 @@ CONFIG_PPC_STD_MMU_32=y
 # CONFIG_PPC_MM_SLICES is not set
 # CONFIG_SMP is not set
 CONFIG_NOT_COHERENT_CACHE=y
-CONFIG_CONFIG_CHECK_CACHE_COHERENCY=y
+CONFIG_CHECK_CACHE_COHERENCY=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #

arch/powerpc/platforms/Kconfig.cputype

@@ -215,7 +215,7 @@ config NOT_COHERENT_CACHE
 	depends on 4xx || 8xx || E200
 	default y
 
-config CONFIG_CHECK_CACHE_COHERENCY
+config CHECK_CACHE_COHERENCY
 	bool
 
 endmenu

arch/powerpc/platforms/embedded6xx/Kconfig

@@ -59,7 +59,7 @@ config MPC10X_BRIDGE
 config MV64X60
 	bool
 	select PPC_INDIRECT_PCI
-	select CONFIG_CHECK_CACHE_COHERENCY
+	select CHECK_CACHE_COHERENCY
 
 config MPC10X_OPENPIC
 	bool