google/kahlee: Remove unneeded HAVE_ACPI_RESUME guard

We leave it to linker garbage collection to drop
unreferenced code and symbols from final object files.
Function declarations and definitions are to be guarded
with preprocessor directives only as a last resort.

Change-Id: Ie8748ccddc8e31569c58deba5d08c98a04326fa8
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/31317
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Richard Spiegel <richard.spiegel@silverbackltd.com>
Reviewed-by: Marshall Dawson <marshalldawson3rd@gmail.com>
diff --git a/src/mainboard/google/kahlee/mainboard.c b/src/mainboard/google/kahlee/mainboard.c
index ebdcc93..ed48593 100644
--- a/src/mainboard/google/kahlee/mainboard.c
+++ b/src/mainboard/google/kahlee/mainboard.c
@@ -195,12 +195,10 @@
 	return variant_get_ehci_oc_map(map);
 }
 
-#if IS_ENABLED(CONFIG_HAVE_ACPI_RESUME)
 void mainboard_suspend_resume(void)
 {
 	variant_mainboard_suspend_resume();
 }
-#endif
 
 struct chip_operations mainboard_ops = {
 	.init = mainboard_init,
@@ -214,11 +212,9 @@
 	return 0;
 }
 
-#if IS_ENABLED(CONFIG_HAVE_ACPI_RESUME)
 void __weak variant_mainboard_suspend_resume(void)
 {
 }
-#endif
 
 const char *smbios_mainboard_sku(void)
 {
diff --git a/src/mainboard/google/kahlee/variants/baseboard/include/baseboard/variants.h b/src/mainboard/google/kahlee/variants/baseboard/include/baseboard/variants.h
index da65bd8..e3cde3e 100644
--- a/src/mainboard/google/kahlee/variants/baseboard/include/baseboard/variants.h
+++ b/src/mainboard/google/kahlee/variants/baseboard/include/baseboard/variants.h
@@ -31,8 +31,6 @@
 const struct soc_amd_gpio *variant_romstage_gpio_table(size_t *size);
 const struct soc_amd_gpio *variant_gpio_table(size_t *size);
 void variant_romstage_entry(int s3_resume);
-#if IS_ENABLED(CONFIG_HAVE_ACPI_RESUME)
 void variant_mainboard_suspend_resume(void);
-#endif
 
 #endif /* __BASEBOARD_VARIANTS_H__ */
diff --git a/src/mainboard/google/kahlee/variants/baseboard/mainboard.c b/src/mainboard/google/kahlee/variants/baseboard/mainboard.c
index d1a3492..71aca73 100644
--- a/src/mainboard/google/kahlee/variants/baseboard/mainboard.c
+++ b/src/mainboard/google/kahlee/variants/baseboard/mainboard.c
@@ -32,13 +32,11 @@
 	return sku;
 }
 
-#if IS_ENABLED(CONFIG_HAVE_ACPI_RESUME)
 void variant_mainboard_suspend_resume(void)
 {
 	/* Enable backlight - GPIO 133 active low */
 	gpio_set(GPIO_133, 0);
 }
-#endif
 
 void board_bh720(struct device *dev)
 {