soc/intel/apollolake: Fix position of storage class

Fix the following error and warning detected by checkpatch.pl:

ERROR: inline keyword should sit between storage class and type
WARNING: storage class should be at the beginning of the declaration

TEST=Build for reef

Change-Id: I2ed418cc3b4a989eb1101013944169429bf147c2
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18726
Tested-by: build bot (Jenkins)
Reviewed-by: Philippe Mathieu-Daudé <philippe.mathieu.daude@gmail.com>
Reviewed-by: Martin Roth <martinroth@google.com>

src/soc/intel/apollolake/bootblock/bootblock.c

@@ -49,7 +49,7 @@ static void enable_cmos_upper_bank(void)
 	iosf_write(IOSF_RTC_PORT_ID, RTC_CONFIG, reg);
 }
 
-void asmlinkage bootblock_c_entry(uint64_t base_timestamp)
+asmlinkage void bootblock_c_entry(uint64_t base_timestamp)
 {
 	device_t dev = NB_DEV_ROOT;