mediatek: bump to v4.19

Signed-off-by: John Crispin <john@phrozen.org>

target/linux/mediatek/patches-4.19/0002-eth-fix-dsa-support.patch

@@ -0,0 +1,35 @@
+diff -urN a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c	2019-12-23 11:42:02.728620670 +0800
++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c	2019-12-23 11:42:48.747289058 +0800
+@@ -999,11 +999,6 @@
+ 		if (!(trxd.rxd2 & RX_DMA_DONE))
+ 			break;
+ 
+-		/* find out which mac the packet come from. values start at 1 */
+-#if defined(CONFIG_NET_DSA)
+-		mac = (trxd.rxd4 >> 22) & 0x1;
+-		mac = (mac + 1) % 2;
+-#else
+ 		mac = (trxd.rxd4 >> RX_DMA_FPORT_SHIFT) &
+ 			RX_DMA_FPORT_MASK;
+ 		/* From QDMA(5). This is a external interface case of HWNAT.
+@@ -1017,7 +1012,7 @@
+ 			mac = 0;
+ 		else
+ 			mac--;
+-#endif
++		
+ 		if (unlikely(mac < 0 || mac >= MTK_MAC_COUNT ||
+ 			     !eth->netdev[mac]))
+ 			goto release_desc;
+@@ -2030,10 +2025,6 @@
+ 	/* Disable RX VLan Offloading */
+ 	mtk_w32(eth, 0, MTK_CDMP_EG_CTRL);
+ 
+-#if defined(CONFIG_NET_DSA)
+-	mtk_w32(eth, 0x81000001, MTK_CDMP_IG_CTRL);
+-#endif
+-
+ 	mtk_w32(eth, 0x8f0f8f0f, MTK_PDMA_DELAY_INT);
+ 	mtk_w32(eth, 0x8f0f8f0f, MTK_QDMA_DELAY_INT);
+ 

target/linux/mediatek/patches-4.19/0228-arm-dts-bpir2-fix-console.patch

@@ -0,0 +1,11 @@
+diff -urN a/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts b/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts
+--- a/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts	2019-12-17 14:43:47.273940258 +0800
++++ b/arch/arm/boot/dts/mt7623n-bananapi-bpi-r2.dts	2019-12-17 14:44:20.300945884 +0800
+@@ -19,6 +19,7 @@
+ 
+ 	chosen {
+ 		stdout-path = "serial2:115200n8";
++		bootargs = "console=ttyS2,115200n8";
+ 	};
+ 
+ 	cpus {