powerpc/ps3: Update ps3_defconfig

Refresh and set CONFIG_RD_LZMA=y.
Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>

arch/powerpc/configs/ps3_defconfig

@@ -3,11 +3,11 @@ CONFIG_TUNE_CELL=y
 CONFIG_ALTIVEC=y
 CONFIG_SMP=y
 CONFIG_NR_CPUS=2
-CONFIG_EXPERIMENTAL=y
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_BLK_DEV_INITRD=y
+CONFIG_RD_LZMA=y
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_EMBEDDED=y
 # CONFIG_PERF_EVENTS is not set