kernel: bump 4.19 to 4.19.64

Refreshed all patches.

Remove upstreamed:
- 100-powerpc-4xx-uic-clear-pending-interrupt-after-irq-ty.patch
- 950-0309-usb-dwc2-Disable-all-EP-s-on-disconnect.patch
- 950-0310-usb-dwc2-Fix-disable-all-EP-s-on-disconnect.patch

Fixes:
- CVE-2019-13648
- CVE-2019-3900
- CVE-2019-10207

Compile-tested on: cns3xxx
Runtime-tested on: cns3xxx

Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>

target/linux/generic/hack-4.19/207-disable-modorder.patch

@@ -15,7 +15,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
 
 --- a/Makefile
 +++ b/Makefile
-@@ -1224,7 +1224,6 @@ all: modules
+@@ -1225,7 +1225,6 @@ all: modules
  
  PHONY += modules
  modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux) modules.builtin
@@ -23,7 +23,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
  	@$(kecho) '  Building modules, stage 2.';
  	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
  
-@@ -1253,7 +1252,6 @@ _modinst_:
+@@ -1254,7 +1253,6 @@ _modinst_:
  		rm -f $(MODLIB)/build ; \
  		ln -s $(CURDIR) $(MODLIB)/build ; \
  	fi