kernel: bump 4.9 to 4.9.172

Refreshed all patches.

Compile-tested on: ar7
Runtime-tested on: none

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

include/kernel-version.mk

@@ -2,11 +2,11 @@
 
 LINUX_RELEASE?=1
 
-LINUX_VERSION-4.9 = .171
+LINUX_VERSION-4.9 = .172
 LINUX_VERSION-4.14 = .114
 LINUX_VERSION-4.19 = .37
 
-LINUX_KERNEL_HASH-4.9.171 = 431cd992bf74da9851dd5938dbe45ff7577219b84b237ae5e30067d483b57f01
+LINUX_KERNEL_HASH-4.9.172 = 49428e30989cc0b069a6f4b7bc08988deb02d10f910ca0c4d1e44b22155eb40e
 LINUX_KERNEL_HASH-4.14.114 = b75e1dcfabc8d18051a07cbf9b60eaee8ac470a2311fed20447fd0d022c19e15
 LINUX_KERNEL_HASH-4.19.37 = ecb0b30ec32c0c7d614c394158c7d37099a815507ed62235cca32052d7ff9c65
 

target/linux/generic/backport-4.9/090-net-generalize-napi_complete_done.patch

@@ -1095,7 +1095,7 @@ Signed-off-by: David S. Miller <davem@davemloft.net>
  		dma_intr_ena = smsc9420_reg_read(pd, DMAC_INTR_ENA);
 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
 +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
-@@ -2702,7 +2702,7 @@ static int stmmac_poll(struct napi_struc
+@@ -2700,7 +2700,7 @@ static int stmmac_poll(struct napi_struc
  
  	work_done = stmmac_rx(priv, budget);
  	if (work_done < budget) {