[patch] rl78: fix relax type logic

[DJ Delorie]

> grepping for RL78_RELAXA_MASK shows only places where it is used, not
> declared.  Maybe there's a following commit coming?  :-)

There is now :-) (our internal working tree is a patch or two ahead of
fsf)

	* rl78.h (RL78_RELAXA_MASK): New.  Relax types are enums, not bits

diff --git a/include/elf/rl78.h b/include/elf/rl78.h
index 342932d..1a526fa 100644
--- a/include/elf/rl78.h
+++ b/include/elf/rl78.h
@@ -109,6 +109,7 @@ END_RELOC_NUMBERS (R_RL78_max)
 #define E_FLAG_RL78_G10			(1 << 2) /* CPU is missing register banks 1-3, so uses different ABI.  */
 
 /* These define the addend field of R_RL78_RH_RELAX relocations.  */
+#define RL78_RELAXA_MASK	0x000000f0	/* Mask for relax types */
 #define	RL78_RELAXA_BRA		0x00000010	/* Any type of branch (must be decoded).  */
 #define	RL78_RELAXA_ADDR16	0x00000020	/* addr16->sfr/saddr opportunity  */
 #define RL78_RELAXA_RNUM	0x0000000f	/* Number of associated relocations.  */