ARM: ux500: delete remnant U5500 macros

The code using these ASIC detection functions is now gone so
we remove it.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

arch/arm/mach-ux500/include/mach/id.h

@@ -51,35 +51,6 @@ static inline bool cpu_is_u8500_family(void)
 	return cpu_is_u8500() || cpu_is_u9540();
 }
 
-static inline bool __attribute_const__ cpu_is_u5500(void)
-{
-	return dbx500_partnumber() == 0x5500;
-}
-
-/*
- * 5500 revisions
- */
-
-static inline bool __attribute_const__ cpu_is_u5500v1(void)
-{
-	return cpu_is_u5500() && (dbx500_revision() & 0xf0) == 0xA0;
-}
-
-static inline bool __attribute_const__ cpu_is_u5500v2(void)
-{
-	return (dbx500_id.revision & 0xf0) == 0xB0;
-}
-
-static inline bool __attribute_const__ cpu_is_u5500v20(void)
-{
-	return cpu_is_u5500() && ((dbx500_revision() & 0xf0) == 0xB0);
-}
-
-static inline bool __attribute_const__ cpu_is_u5500v21(void)
-{
-	return cpu_is_u5500() && (dbx500_revision() == 0xB1);
-}
-
 /*
  * 8500 revisions
  */