Fix

WARNING: vmlinux.o(.text+0x1554c): Section mismatch: reference to
.init.text:reserve_bootmem (between 'omapfb_reserve_sdram' and
'omap_32k_timer_set_mode')
Signed-off-by: Dirk Behme <dirk.behme@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>