src: Remove unneeded whitespace

Change-Id: I6c77f4289b46646872731ef9c20dc115f0cf876d
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/29161
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

src/drivers/smmstore/store.c

@@ -29,7 +29,7 @@
  *    uint8_t value[value_sz]
  *    uint8_t active
  *    align to 4 bytes
- *   )*
+ *  )*
  *   uint32le_t endmarker = 0xffffffff
  *
  * active needs to be set to 0x00 for the entry to be valid. This satisfies