x86: Activate CONFIG_DRM_ACCEL

This allows building the kmod-drm-ivpu which depends on
CONFIG_DRM_ACCEL. This module is x86_64 only.

Link: https://github.com/openwrt/openwrt/pull/19480
Signed-off-by: Hauke Mehrtens <[email protected]>

target/linux/generic/config-6.12

@@ -1472,6 +1472,9 @@ CONFIG_DQL=y
 # CONFIG_DRAGONRISE_FF is not set
 # CONFIG_DRM is not set
 # CONFIG_DRM_ACCEL is not set
+# CONFIG_DRM_ACCEL_HABANALABS is not set
+# CONFIG_DRM_ACCEL_IVPU is not set
+# CONFIG_DRM_ACCEL_QAIC is not set
 # CONFIG_DRM_AMDGPU is not set
 # CONFIG_DRM_AMDGPU_CIK is not set
 # CONFIG_DRM_AMDGPU_SI is not set

target/linux/x86/64/config-6.12

@@ -129,6 +129,7 @@ CONFIG_DMA_NEED_SYNC=y
 CONFIG_DMA_OPS_HELPERS=y
 CONFIG_DMA_SHARED_BUFFER=y
 CONFIG_DRM=y
+CONFIG_DRM_ACCEL=y
 CONFIG_DRM_BOCHS=y
 CONFIG_DRM_BRIDGE=y
 CONFIG_DRM_FBDEV_EMULATION=y