soc/intel/apollolake: Fix parenthesis issues

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

ERROR: space required before the open parenthesis '('
ERROR: space prohibited before that close parenthesis ')'
ERROR: return is not a function, parentheses are not required
WARNING: space prohibited between function name and open parenthesis '('

TEST=Build for reef

Change-Id: I31f854adf3269ba6f77c4044fb3748bb1957841c
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/18725
Tested-by: build bot (Jenkins)
Reviewed-by: Philippe Mathieu-Daudé <philippe.mathieu.daude@gmail.com>
Reviewed-by: Martin Roth <martinroth@google.com>
diff --git a/src/soc/intel/apollolake/acpi.c b/src/soc/intel/apollolake/acpi.c
index 37aaf82..56d7732 100644
--- a/src/soc/intel/apollolake/acpi.c
+++ b/src/soc/intel/apollolake/acpi.c
@@ -287,7 +287,7 @@
 
 static int acpigen_soc_get_gpio_val(unsigned int gpio_num, uint32_t mask)
 {
-	assert (gpio_num < TOTAL_PADS);
+	assert(gpio_num < TOTAL_PADS);
 	uintptr_t addr = (uintptr_t)gpio_dwx_address(gpio_num);
 
 	acpigen_soc_get_dw0_in_local5(addr);
@@ -313,7 +313,7 @@
 
 static int acpigen_soc_set_gpio_val(unsigned int gpio_num, uint32_t val)
 {
-	assert (gpio_num < TOTAL_PADS);
+	assert(gpio_num < TOTAL_PADS);
 	uintptr_t addr = (uintptr_t)gpio_dwx_address(gpio_num);
 
 	acpigen_soc_get_dw0_in_local5(addr);