ARM: move L1_CACHE_SHIFT_6 to mm/Kconfig

Move L1_CACHE_SHIFT related options together, rather than spreading them
across two separate Kconfig files.
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

arch/arm/Kconfig

@@ -178,11 +178,6 @@ config FIQ
 config ARCH_MTD_XIP
 	bool
 
-config ARM_L1_CACHE_SHIFT_6
-	bool
-	help
-	  Setting ARM L1 cache line size to 64 Bytes.
-
 config VECTORS_BASE
 	hex
 	default 0xffff0000 if MMU || CPU_HIGH_VECTOR

arch/arm/mm/Kconfig

@@ -845,6 +845,11 @@ config CACHE_XSC3L2
 	help
 	  This option enables the L2 cache on XScale3.
 
+config ARM_L1_CACHE_SHIFT_6
+	bool
+	help
+	  Setting ARM L1 cache line size to 64 Bytes.
+
 config ARM_L1_CACHE_SHIFT
 	int
 	default 6 if ARM_L1_CACHE_SHIFT_6