soc/intel/apollolake: Fix spacing around operators and commas

Fix the following errors detected by checkpatch.pl:

ERROR: spaces required around that '==' (ctx:VxO)
ERROR: space required before that '-' (ctx:OxV)
ERROR: spaces required around that '=' (ctx:VxW)
ERROR: spaces required around that '=' (ctx:WxV)
ERROR: spaces required around that '=' (ctx:VxV)
ERROR: need consistent spacing around '+' (ctx:VxW)
ERROR: space prohibited before that '++' (ctx:WxB)
ERROR: space prohibited before that ',' (ctx:WxW)
ERROR: space required after that ',' (ctx:VxV)

TEST=Build for reef

Change-Id: I37265a69fcb14fbf7c182ef29d823f70a5748ad8
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18720
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>

src/soc/intel/apollolake/gpio.c

@@ -52,7 +52,8 @@ static const struct pad_community {
 		.port = GPIO_N,
 		.first_pad = N_OFFSET,
 		.num_gpi_regs = NUM_N_GPI_REGS,
-		.gpi_offset = NUM_NW_GPI_REGS+ NUM_W_GPI_REGS + NUM_SW_GPI_REGS,
+		.gpi_offset = NUM_NW_GPI_REGS + NUM_W_GPI_REGS
+			+ NUM_SW_GPI_REGS,
 		.grp_name = "GPIO_GPE_N",
 	}
 };