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/arch/arm/mm/mm.h b/arch/arm/mm/mm.h
index 88c121a..9ff6836 100644
--- a/arch/arm/mm/mm.h
+++ b/arch/arm/mm/mm.h
@@ -2,8 +2,7 @@
 #ifdef CONFIG_MMU
 #include <linux/list.h>
 #include <linux/vmalloc.h>
-
-#include <asm/pgtable.h>
+#include <linux/pgtable.h>
 
 /* the upper-most page table pointer */
 extern pmd_t *top_pmd;
@@ -36,11 +35,6 @@
 	return *ptep;
 }
 
-static inline pmd_t *pmd_off_k(unsigned long virt)
-{
-	return pmd_offset(pud_offset(pgd_offset_k(virt), virt), virt);
-}
-
 struct mem_type {
 	pteval_t prot_pte;
 	pteval_t prot_pte_s2;