kernel: bump 4.9 to 4.9.145

Refreshed all patches.

Fixes CVE:
- CVE-2018-14625

Compile-tested on: brcm2708
Runtime-tested on: brcm2708

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
Tested-by: Stijn Tintel <stijn@linux-ipv6.be>

target/linux/generic/pending-4.9/120-Fix-alloc_node_mem_map-with-ARCH_PFN_OFFSET-calcu.patch

@@ -71,7 +71,7 @@ Signed-off-by: Tobias Wolf <dev-NTEO@vplace.de>
 
 --- a/mm/page_alloc.c
 +++ b/mm/page_alloc.c
-@@ -5932,7 +5932,7 @@ static void __ref alloc_node_mem_map(str
+@@ -5922,7 +5922,7 @@ static void __ref alloc_node_mem_map(str
  		mem_map = NODE_DATA(0)->node_mem_map;
  #if defined(CONFIG_HAVE_MEMBLOCK_NODE_MAP) || defined(CONFIG_FLATMEM)
  		if (page_to_pfn(mem_map) != pgdat->node_start_pfn)

target/linux/generic/pending-4.9/201-extra_optimization.patch

@@ -14,7 +14,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
 
 --- a/Makefile
 +++ b/Makefile
-@@ -678,12 +678,12 @@ endif
+@@ -680,12 +680,12 @@ endif
  
  ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
  KBUILD_CFLAGS	+= $(call cc-option,-Oz,-Os)