kernel: bump 4.14 to 4.14.48

Remove upstreamed patches:
generic/pending/101-clocksource-mips-gic-timer-fix-clocksource-counter-w.patch
generic/pending/103-MIPS-c-r4k-fix-data-corruption-related-to-cache-coherence.patch
generic/pending/182-net-qmi_wwan-add-BroadMobi-BM806U-2020-2033.patch
lantiq/0025-MIPS-lantiq-gphy-Remove-reboot-remove-reset-asserts.patch
Update patches that no longer apply:
generic/pending/811-pci_disable_usb_common_quirks.patch
ath79/0009-MIPS-ath79-add-lots-of-missing-registers.patch

Fixes CVE-2018-6412.

Compile-tested: octeon, x86/64.
Runtime-tested: octeon, x86/64.

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>

target/linux/generic/hack-4.14/207-disable-modorder.patch

@@ -15,7 +15,7 @@ Signed-off-by: Felix Fietkau <nbd@nbd.name>
 
 --- a/Makefile
 +++ b/Makefile
-@@ -1233,7 +1233,6 @@ all: modules
+@@ -1227,7 +1227,6 @@ 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
  
-@@ -1262,7 +1261,6 @@ _modinst_:
+@@ -1256,7 +1255,6 @@ _modinst_:
  		rm -f $(MODLIB)/build ; \
  		ln -s $(CURDIR) $(MODLIB)/build ; \
  	fi