Coding Style cleanup: remove trailing white space

Signed-off-by: Wolfgang Denk <wd@denx.de>
diff --git a/board/keymile/km_arm/km_arm.c b/board/keymile/km_arm/km_arm.c
index 481876b..5620737 100644
--- a/board/keymile/km_arm/km_arm.c
+++ b/board/keymile/km_arm/km_arm.c
@@ -343,7 +343,7 @@
 #if defined(CONFIG_KM_NUSA)
 struct mv88e_sw_reg extsw_conf[] = {
 	/*
-	 * port 0, PIGGY4, autoneg 
+	 * port 0, PIGGY4, autoneg
 	 * first the fix for the 1000Mbits Autoneg, this is from
 	 * a Marvell errata, the regs are undocumented
 	 */