ARM: mach-shmobile: mackerel: enable VFP in defconfig

CONFIG_VFP appears to be required to use the
Debian armhf userspace. Enabling this is consistent
with many other shmobile boards.
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

arch/arm/configs/mackerel_defconfig

@@ -25,6 +25,7 @@ CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0
 CONFIG_ARM_APPENDED_DTB=y
 CONFIG_KEXEC=y
+CONFIG_VFP=y
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 CONFIG_PM=y
 CONFIG_PM_RUNTIME=y