Update Linux to v5.10.109

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz

Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/include/linux/tboot.h b/include/linux/tboot.h
index 5424bc6..5146d25 100644
--- a/include/linux/tboot.h
+++ b/include/linux/tboot.h
@@ -44,7 +44,7 @@
 
 /*
  * combines Sx info from FADT and FACS tables per ACPI 2.0+ spec
- * (http://www.acpi.info/)
+ * (https://uefi.org/specifications)
  */
 struct tboot_acpi_sleep_info {
 	struct tboot_acpi_generic_address pm1a_cnt_blk;
@@ -121,13 +121,7 @@
 #define TBOOT_UUID	{0xff, 0x8d, 0x3c, 0x66, 0xb3, 0xe8, 0x82, 0x4b, 0xbf,\
 			 0xaa, 0x19, 0xea, 0x4d, 0x5, 0x7a, 0x8}
 
-extern struct tboot *tboot;
-
-static inline int tboot_enabled(void)
-{
-	return tboot != NULL;
-}
-
+bool tboot_enabled(void);
 extern void tboot_probe(void);
 extern void tboot_shutdown(u32 shutdown_type);
 extern struct acpi_table_header *tboot_get_dmar_table(