soc/intel/braswell: Fix most of the issues detected by checkpatch

Fix the following errors and warnings detected by checkpatch.pl:

ERROR: that open brace { should be on the previous line
ERROR: return is not a function, parentheses are not required
WARNING: braces {} are not necessary for any arm of this statement
WARNING: line over 80 characters
WARNING: braces {} are not necessary for single statement blocks
WARNING: Avoid unnecessary line continuations
WARNING: break is not useful after a goto or return
WARNING: else is not generally useful after a break or return

False positives are generated by checkpatch for the following test:
ERROR: Macros with complex values should be enclosed in parentheses

TEST=Build for cyan

Change-Id: I19048895145b138a63100b29f829ff446ff71b58
Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18871
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Tested-by: build bot (Jenkins)
diff --git a/src/soc/intel/braswell/xhci.c b/src/soc/intel/braswell/xhci.c
index e3e3462..76319c0 100644
--- a/src/soc/intel/braswell/xhci.c
+++ b/src/soc/intel/braswell/xhci.c
@@ -42,7 +42,8 @@
 				config->usb_comp_bg),
 			REG_SCRIPT_END
 		};
-		printk(BIOS_INFO, "Override USB2_COMPBG to: 0x%X\n", config->usb_comp_bg);
+		printk(BIOS_INFO, "Override USB2_COMPBG to: 0x%X\n",
+			config->usb_comp_bg);
 		reg_script_run(ops);
 	}
 }