[ARM] remove L_PTE_BUFFERABLE and L_PTE_CACHEABLE

These old symbols are meaningless now that we have memory type
support implemented.  The entire memory type field needs to be
modified rather than just a few bits twiddled.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/include/asm/pgtable.h

@@ -164,8 +164,6 @@ extern void __pgd_error(const char *file, int line, unsigned long val);
 #define L_PTE_PRESENT		(1 << 0)
 #define L_PTE_FILE		(1 << 1)	/* only when !PRESENT */
 #define L_PTE_YOUNG		(1 << 1)
-#define L_PTE_BUFFERABLE	(1 << 2)	/* obsolete, matches PTE */
-#define L_PTE_CACHEABLE		(1 << 3)	/* obsolete, matches PTE */
 #define L_PTE_DIRTY		(1 << 6)
 #define L_PTE_WRITE		(1 << 7)
 #define L_PTE_USER		(1 << 8)

arch/arm/mm/proc-macros.S

@@ -80,12 +80,6 @@
 #if L_PTE_SHARED != PTE_EXT_SHARED
 #error PTE shared bit mismatch
 #endif
-#if L_PTE_BUFFERABLE != PTE_BUFFERABLE
-#error PTE bufferable bit mismatch
-#endif
-#if L_PTE_CACHEABLE != PTE_CACHEABLE
-#error PTE cacheable bit mismatch
-#endif
 #if (L_PTE_EXEC+L_PTE_USER+L_PTE_WRITE+L_PTE_DIRTY+L_PTE_YOUNG+\
      L_PTE_FILE+L_PTE_PRESENT) > L_PTE_SHARED
 #error Invalid Linux PTE bit settings