[source] mt76: update to the latest version, improves mt7603 support

[LEDE Commits]

nbd pushed a commit to source.git, branch master:
https://git.lede-project.org/64170ab9259cf89bd14b83af405f67f0bcdcdd21

commit 64170ab9259cf89bd14b83af405f67f0bcdcdd21
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Wed Mar 15 20:56:06 2017 +0100

    mt76: update to the latest version, improves mt7603 support
    
    03e44dc mt76x2: remove unnecessary headroom check
    cc70498 mt76x2: clarify queue selection field
    b056a78 dma: fix endian issue in mt76_dma_get_buf
    f020a60 mt7603: support loading the entire EEPROM from OTP
    29b08d3 mt7603: fix endian issue in mt7603_mcu_set_timing
    dce8aac mt7603: fix endian issue in mt7603_mac_fill_rx
    f22273b mt7603: init WTBL entry before setting capabilities
    da8e796 mt7603: check wtbl busy status and stop/start tx queues when clearing sta entry
    e54add5 mt7603: move napi/tasklet enable/disable outside of the locked section
    59ce2b4 mt7603: set tx vif own MAC index (needed for beacons)
    93ce124 mt7603: enable beacons for other virtual interfaces
    c91e660 mt7603: set secondary beacon time offsets
    
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
---
 package/kernel/mt76/Makefile | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/package/kernel/mt76/Makefile b/package/kernel/mt76/Makefile
index 7885825..c4804e6 100644
--- a/package/kernel/mt76/Makefile
+++ b/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:=2017-02-03
-PKG_SOURCE_VERSION:=a5eaeb27d6a80c012ffc8b5bb5549983e446b4ef
-PKG_MIRROR_HASH:=c526586aba890c5645320145219bd5932e39cfc2ea540d7674c9a58ab9a4a36a
+PKG_SOURCE_DATE:=2017-03-15
+PKG_SOURCE_VERSION:=c91e66098541cb96a4cc47a9598d78623269686c
+PKG_MIRROR_HASH:=7fea52630fb682cdf8fbffaac1ec8d20d0c269b088b0ee697d16bbe6dba5b797
 
 PKG_MAINTAINER:=Felix Fietkau <nbd at nbd.name>
 PKG_BUILD_PARALLEL:=1