media: ipu3-cio2: Build bridge only if ACPI is enabled

ipu3-cio2-bridge uses several features of the ACPI framework that have no
meaningful replacement when ACPI is disabled. Instead of adding #ifdefs to
the affected places, only build the bridge code if CONFIG_ACPI is enabled.

Fixes: 803abec6 ("media: ipu3-cio2: Add cio2-bridge to ipu3-cio2 driver")
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/pci/intel/ipu3/Kconfig

@@ -20,7 +20,7 @@ config VIDEO_IPU3_CIO2
 
 config CIO2_BRIDGE
 	bool "IPU3 CIO2 Sensors Bridge"
-	depends on VIDEO_IPU3_CIO2
+	depends on VIDEO_IPU3_CIO2 && ACPI
 	help
 	  This extension provides an API for the ipu3-cio2 driver to create
 	  connections to cameras that are hidden in the SSDB buffer in ACPI.