xilinx-standalone.conf: Switch default from -Os to -O2
Based on performance measurements as well as recent presentations at ELC
it is believed the correct default should always be -O2.  -Os should only
be selectively used per module instead of default.
@@ -3,7 +3,7 @@ require conf/distro/xilinx-standalone.inc
DISTRO_NAME_append = " (lto)"
# By default we want to optimize for size.
-FULL_OPTIMIZATION = "-Os -pipe ${DEBUG_FLAGS}"
+FULL_OPTIMIZATION = "-O2 -pipe ${DEBUG_FLAGS}"
# Workaround for microblaze -Os bug
FULL_OPTIMIZATION_microblaze = "-O2 -pipe ${DEBUG_FLAGS}"
