src: Get rid of unneeded whitespace

Change-Id: I3873cc8ff82cb043e4867a6fe8c1f253ab18714a
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/27295
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

src/southbridge/intel/ibexpeak/smi.c

@@ -325,7 +325,7 @@ void southbridge_clear_smi_status(void)
 	reset_pm1_status();
 
 	/* Set EOS bit so other SMIs can occur. */
- 	smi_set_eos();
+	smi_set_eos();
 }
 
 void smm_setup_structures(void *gnvs, void *tcg, void *smi1)