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/sh/boot/compressed/misc.c b/arch/sh/boot/compressed/misc.c
index c15cac9..a03b668 100644
--- a/arch/sh/boot/compressed/misc.c
+++ b/arch/sh/boot/compressed/misc.c
@@ -111,11 +111,12 @@
 	error("stack-protector: Kernel stack is corrupted\n");
 }
 
-#ifdef CONFIG_SUPERH64
-#define stackalign	8
-#else
+/* Needed because vmlinux.lds.h references this */
+void ftrace_stub(void)
+{
+}
+
 #define stackalign	4
-#endif
 
 #define STACK_SIZE (4096)
 long __attribute__ ((aligned(stackalign))) user_stack[STACK_SIZE];
@@ -125,14 +126,10 @@
 {
 	unsigned long output_addr;
 
-#ifdef CONFIG_SUPERH64
-	output_addr = (CONFIG_MEMORY_START + 0x2000);
-#else
 	output_addr = __pa((unsigned long)&_text+PAGE_SIZE);
 #if defined(CONFIG_29BIT)
 	output_addr |= P2SEG;
 #endif
-#endif
 
 	output = (unsigned char *)output_addr;
 	free_mem_ptr = (unsigned long)&_end;