ARM: realview: activate SMP on the default defconfig

The realview has two defconfigs: realview_defconfig and
realview-smp_defconfig. We now have working SMP_ON_UP so
make them equal so we can delete the -smp variant. For
some reason NO_HZ_FULL was missing from the plain
realview_defconfig.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

arch/arm/configs/realview_defconfig

 # CONFIG_SWAP is not set
 CONFIG_SYSVIPC=y
+CONFIG_NO_HZ_FULL=y
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_PERF_EVENTS=y
@@ -21,6 +22,7 @@ CONFIG_MACH_REALVIEW_PB11MP=y
 CONFIG_MACH_REALVIEW_PB1176=y
 CONFIG_MACH_REALVIEW_PBA8=y
 CONFIG_MACH_REALVIEW_PBX=y
+CONFIG_SMP=y
 CONFIG_AEABI=y
 CONFIG_ZBOOT_ROM_TEXT=0x0
 CONFIG_ZBOOT_ROM_BSS=0x0