Introduce UL(), L() and LL() macros

utils_def.h already has U() and ULL(), but not UL(), which is needed for
types like uinptr_t and u_register_t.

Also added L() and LL() for signed values.

Change-Id: I0654df80d57149ff49507c52f1b27f3d500486a0
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>

include/lib/utils_def.h

@@ -99,20 +99,26 @@
 	((u32) > (UINT32_MAX - (inc)) ? 1 : 0)
 
 /*
- * For those constants to be shared between C and other sources, apply a 'u'
- * or 'ull' suffix to the argument only in C, to avoid undefined or unintended
- * behaviour.
+ * For those constants to be shared between C and other sources, apply a 'U',
+ * 'UL', 'ULL', 'L' or 'LL' suffix to the argument only in C, to avoid
+ * undefined or unintended behaviour.
  *
- * The GNU assembler and linker do not support the 'u' and 'ull' suffix (it
- * causes the build process to fail) therefore the suffix is omitted when used
- * in linker scripts and assembler files.
+ * The GNU assembler and linker do not support these suffixes (it causes the
+ * build process to fail) therefore the suffix is omitted when used in linker
+ * scripts and assembler files.
 */
 #if defined(__LINKER__) || defined(__ASSEMBLY__)
-# define  U(_x)		(_x)
+# define   U(_x)	(_x)
+# define  UL(_x)	(_x)
 # define ULL(_x)	(_x)
+# define   L(_x)	(_x)
+# define  LL(_x)	(_x)
 #else
-# define  U(_x)		(_x##U)
+# define   U(_x)	(_x##U)
+# define  UL(_x)	(_x##UL)
 # define ULL(_x)	(_x##ULL)
+# define   L(_x)	(_x##L)
+# define  LL(_x)	(_x##LL)
 #endif
 
 /* Register size of the current architecture. */