linux: remove outdated kernel recipes

Signed-off-by: Denys Dmytriyenko <denys@ti.com>

recipes-kernel/linux/files/0001-arm-fix-builds-with-gcc-4.7.patch

@@ -1,26 +0,0 @@
-From 0d12debe917269a013f8eddd42da8d3de5e3174e Mon Sep 17 00:00:00 2001
-From: Steve Sakoman <steve@sakoman.com>
-Date: Thu, 24 Jan 2013 15:42:01 -0800
-Subject: [PATCH] arm: fix builds with gcc 4.7
-
-new unaligned access support in GCC was triggering an alignment fault at boot
----
- arch/arm/kernel/head.S | 2 +-
- 1 file changed, 1 insertion(+), 1 deletion(-)
-
-diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
-index 6bd82d2..56b02cd 100644
---- a/arch/arm/kernel/head.S
-+++ b/arch/arm/kernel/head.S
-@@ -336,7 +336,7 @@ __secondary_data:
-  *  r13 = *virtual* address to jump to upon completion
-  */
- __enable_mmu:
--#ifdef CONFIG_ALIGNMENT_TRAP
-+#if defined(CONFIG_ALIGNMENT_TRAP) && __LINUX_ARM_ARCH__ < 6
- 	orr	r0, r0, #CR_A
- #else
- 	bic	r0, r0, #CR_A
--- 
-1.8.1.2
-