arm64: zynqmp: Remove whitespaces in psu_init() comment

Remove additional spaces before comment.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

arch/arm/cpu/armv8/zynqmp/spl.c

@@ -131,10 +131,10 @@ u32 spl_boot_mode(const u32 boot_device)
 
 __weak void psu_init(void)
 {
-	 /*
-	  * This function is overridden by the one in
-	  * board/xilinx/zynqmp/(platform)/psu_init_gpl.c, if it exists.
-	  */
+	/*
+	 * This function is overridden by the one in
+	 * board/xilinx/zynqmp/(platform)/psu_init_gpl.c, if it exists.
+	 */
 }
 
 #ifdef CONFIG_SPL_OS_BOOT