soc/intel/broadwell: Fix other issues detected by checkpatch

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

ERROR: switch and case should be at the same indent
WARNING: line over 80 characters
WARNING: storage class should be at the beginning of the declaration
WARNING: adding a line without newline at end of file
WARNING: __func__ should be used instead of gcc specific __FUNCTION__
WARNING: Comparisons should place the constant on the right side of the test

TEST=None

Change-Id: I85c400e4a087996fc81ab8b0e5422ba31df3c982
Signed-off-by: Lee Leahy <Leroy.P.Leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18885
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
diff --git a/src/soc/intel/broadwell/smihandler.c b/src/soc/intel/broadwell/smihandler.c
index 00f1534..8a5b443 100644
--- a/src/soc/intel/broadwell/smihandler.c
+++ b/src/soc/intel/broadwell/smihandler.c
@@ -118,7 +118,8 @@
 	uint32_t pp_ctrl;
 	uint32_t bl_off_delay;
 
-	reg_base = (void *)((uintptr_t)pci_read_config32(SA_DEV_IGD, PCI_BASE_ADDRESS_0) & ~0xf);
+	reg_base = (void *)((uintptr_t)pci_read_config32(SA_DEV_IGD,
+		PCI_BASE_ADDRESS_0) & ~0xf);
 
 	/* Check if backlight is enabled */
 	pp_ctrl = read32(reg_base + PCH_PP_CONTROL);