Update to v5.5 kernel headers.

Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.5

Test: Boots on walleye.
Test: Ran bionic-unit-tests on walleye.
Test: Boots on cuttlefish.
Test: Ran bionic-unit-tests on cuttlefish.
Change-Id: I57387d3c31e0ba5ad125ffe291cecf365c7b374e
Merged-In: I57387d3c31e0ba5ad125ffe291cecf365c7b374e
diff --git a/libc/kernel/uapi/drm/omap_drm.h b/libc/kernel/uapi/drm/omap_drm.h
index 3c2fc08..72d949d 100644
--- a/libc/kernel/uapi/drm/omap_drm.h
+++ b/libc/kernel/uapi/drm/omap_drm.h
@@ -28,15 +28,14 @@
   __u64 value;
 };
 #define OMAP_BO_SCANOUT 0x00000001
-#define OMAP_BO_CACHE_MASK 0x00000006
-#define OMAP_BO_TILED_MASK 0x00000f00
 #define OMAP_BO_CACHED 0x00000000
 #define OMAP_BO_WC 0x00000002
 #define OMAP_BO_UNCACHED 0x00000004
+#define OMAP_BO_CACHE_MASK 0x00000006
 #define OMAP_BO_TILED_8 0x00000100
 #define OMAP_BO_TILED_16 0x00000200
 #define OMAP_BO_TILED_32 0x00000300
-#define OMAP_BO_TILED (OMAP_BO_TILED_8 | OMAP_BO_TILED_16 | OMAP_BO_TILED_32)
+#define OMAP_BO_TILED_MASK 0x00000f00
 union omap_gem_size {
   __u32 bytes;
   struct {