ARM: socfpga_defconfig: enable support for initramfs/initrd support

Enable CONFIG_BLK_DEV_INITRD.
Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Acked-by: Kevin Hilman <khilman@baylibre.com>

arch/arm/configs/socfpga_defconfig

@@ -7,6 +7,7 @@ CONFIG_LOG_BUF_SHIFT=14
 CONFIG_CGROUPS=y
 CONFIG_CPUSETS=y
 CONFIG_NAMESPACES=y
+CONFIG_BLK_DEV_INITRD=y
 CONFIG_EMBEDDED=y
 CONFIG_PROFILING=y
 CONFIG_OPROFILE=y
@@ -107,4 +108,3 @@ CONFIG_DETECT_HUNG_TASK=y
 # CONFIG_SCHED_DEBUG is not set
 CONFIG_ENABLE_DEFAULT_TRACERS=y
 CONFIG_DEBUG_USER=y
-CONFIG_XZ_DEC=y