drm/xe: Enable 32bits build

Now that all the issues with 32bits are fixed, enable it again.
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240119001612.2991381-6-lucas.demarchi@intel.com

drivers/gpu/drm/xe/Kconfig

 # SPDX-License-Identifier: GPL-2.0-only
 config DRM_XE
 	tristate "Intel Xe Graphics"
-	depends on DRM && PCI && MMU && (m || (y && KUNIT=y)) && 64BIT
+	depends on DRM && PCI && MMU && (m || (y && KUNIT=y))
 	select INTERVAL_TREE
 	# we need shmfs for the swappable backing store, and in particular
 	# the shmem_readpage() which depends upon tmpfs