Update to v5.14 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.14

Test: Builds, bionic unit tests.
Change-Id: Iff3424da9fbf7ae89ebeb6daabb34c4aa650901f
diff --git a/libc/kernel/uapi/drm/panfrost_drm.h b/libc/kernel/uapi/drm/panfrost_drm.h
index f8b8aa1..1f4473d 100644
--- a/libc/kernel/uapi/drm/panfrost_drm.h
+++ b/libc/kernel/uapi/drm/panfrost_drm.h
@@ -110,6 +110,7 @@
   DRM_PANFROST_PARAM_JS_FEATURES15,
   DRM_PANFROST_PARAM_NR_CORE_GROUPS,
   DRM_PANFROST_PARAM_THREAD_TLS_ALLOC,
+  DRM_PANFROST_PARAM_AFBC_FEATURES,
 };
 struct drm_panfrost_get_param {
   __u32 param;