kernel: bump 4.4 to 4.4.119

This bumps the 4.4. kernel in master to 4.4.119.
Includes more Meltdown & Spectre mitigation.

* Refresh patches.
* Refresh x86/config for RETPOLINE.
* Deleted 8049-PCI-layerscape-Add-fsl-ls2085a-pcie-compatible-ID.patch (accepted upstream)
* Deleted 8050-PCI-layerscape-Fix-MSG-TLP-drop-setting.patch (accepted upstream)
* Deleted 650-pppoe_header_pad.patch (does not apply anymore (code was replaced)).

Bumps from 4.4.112 to 4.4.115 were handled by Kevin Darbyshire-Bryant.

Compile-tested on: ar71xx & oxnas.

Signed-off-by: Stijn Segers <foss@volatilesystems.org>
Tested-by: Rosen Penev <rosenp@gmail.com>

target/linux/generic/pending-4.4/208-disable-modorder.patch

@@ -5,7 +5,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
 ---
 --- a/Makefile
 +++ b/Makefile
-@@ -1121,7 +1121,6 @@ all: modules
+@@ -1123,7 +1123,6 @@ all: modules
  
  PHONY += modules
  modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux) modules.builtin
@@ -13,7 +13,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  	@$(kecho) '  Building modules, stage 2.';
  	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
  	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.fwinst obj=firmware __fw_modbuild
-@@ -1151,7 +1150,6 @@ _modinst_:
+@@ -1153,7 +1152,6 @@ _modinst_:
  		rm -f $(MODLIB)/build ; \
  		ln -s $(CURDIR) $(MODLIB)/build ; \
  	fi