[RTEMS] Add vfp multilib for ARM

gcc/

	* config/arm/t-rtems: Add vfp multilib.

From-SVN: r239727

gcc/ChangeLog

+2016-08-24  Sebastian Huber  <sebastian.huber@embedded-brains.de>
+
+	* config/arm/t-rtems: Add vfp multilib.
+
 2016-08-23  Ian Lance Taylor  <iant@golang.org>
 
 	* config/s390/s390.c (s390_asm_file_start): Call

gcc/config/arm/t-rtems

 # Custom RTEMS multilibs for ARM
 
-MULTILIB_OPTIONS  = mbig-endian mthumb march=armv6-m/march=armv7-a/march=armv7-r/march=armv7-m/mcpu=cortex-m7 mfpu=neon/mfpu=vfpv3-d16/mfpu=fpv4-sp-d16/mfpu=fpv5-d16 mfloat-abi=hard
-MULTILIB_DIRNAMES = eb thumb armv6-m armv7-a armv7-r armv7-m cortex-m7 neon vfpv3-d16 fpv4-sp-d16 fpv5-d16 hard
+MULTILIB_OPTIONS  = mbig-endian mthumb march=armv6-m/march=armv7-a/march=armv7-r/march=armv7-m/mcpu=cortex-m7 mfpu=neon/mfpu=vfp/mfpu=vfpv3-d16/mfpu=fpv4-sp-d16/mfpu=fpv5-d16 mfloat-abi=hard
+MULTILIB_DIRNAMES = eb thumb armv6-m armv7-a armv7-r armv7-m cortex-m7 neon vfp vfpv3-d16 fpv4-sp-d16 fpv5-d16 hard
 
 # Enumeration of multilibs
 
@@ -10,6 +10,7 @@ MULTILIB_EXCEPTIONS =
 MULTILIB_REQUIRED =
 MULTILIB_REQUIRED += mbig-endian/mthumb/march=armv7-r/mfpu=vfpv3-d16/mfloat-abi=hard
 MULTILIB_REQUIRED += mbig-endian/mthumb/march=armv7-r
+MULTILIB_REQUIRED += mfpu=vfp/mfloat-abi=hard
 MULTILIB_REQUIRED += mthumb/march=armv6-m
 MULTILIB_REQUIRED += mthumb/march=armv7-a/mfpu=neon/mfloat-abi=hard
 MULTILIB_REQUIRED += mthumb/march=armv7-a