kernel: video: fix x86/geode build

Add missing options to fix geode build failure.

Co-authored-by: Mieczyslaw Nalewaj <namiltd@yahoo.com>
Signed-off-by: John Audia <therealgraysky@proton.me>
Link: openwrt/openwrt#23013
Signed-off-by: Nick Hainke <vincent@systemli.org>

Author: 2 people

target/linux/x86/geode/config-6.18

@@ -40,11 +40,14 @@ CONFIG_ALIX=y
 # CONFIG_AMD_WBRF is not set
 CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC=y
 # CONFIG_ATA_PIIX is not set
+CONFIG_BACKLIGHT_CLASS_DEVICE=y
 CONFIG_CS5535_CLOCK_EVENT_SRC=y
 CONFIG_CS5535_MFGPT=y
 CONFIG_CS5535_MFGPT_DEFAULT_IRQ=7
 # CONFIG_CS89x0_ISA is not set
 CONFIG_DMA_ACPI=y
+CONFIG_DRM=y
+CONFIG_DRM_BOCHS=y
 # CONFIG_EL3 is not set
 CONFIG_FIRMWARE_TABLE=y
 CONFIG_FUNCTION_ALIGNMENT=16