mt76: update to the latest version

5a5b396 mt76: throttle transmission of buffered multicast packets
8084323 mt7603: implement code for adjusting energy detect CCA thresholds
8929a6e mt7603: increase MCU timeout
f2ba65f mt7603: update firmware to 20161027164355
0ad998b mt7603: increase aggregation limits (based on vendor driver changes)
da00af0 mt7603: clear bit 18 in MT_SEC_SCR to fix ICV error

Signed-off-by: Felix Fietkau <nbd@nbd.name>

package/kernel/mt76/Makefile

@@ -8,9 +8,9 @@ PKG_LICENSE_FILES:=
 
 PKG_SOURCE_URL:=https://github.com/openwrt/mt76
 PKG_SOURCE_PROTO:=git
-PKG_SOURCE_DATE:=2018-11-28
-PKG_SOURCE_VERSION:=44bb37288cb7a76d710da9334d9e0b1b6627476a
-PKG_MIRROR_HASH:=0d11c67a765a74632936865e1eacd40eca733fb89affc6429ebd7a13e4b044b3
+PKG_SOURCE_DATE:=2018-12-04
+PKG_SOURCE_VERSION:=da00af00c503250ef8e7d1da74a123191def2893
+PKG_MIRROR_HASH:=81b247a270315ae7a235443a1d55975335fb5eaddbc6df0c3ba4395f8ef8caa6
 
 PKG_MAINTAINER:=Felix Fietkau <nbd@nbd.name>
 PKG_BUILD_PARALLEL:=1