samples: gptp: increase number of ethernet RX buffers for RT1050/1060

RT1050 and RT1060 were selecting an invalid number of RX/TX buffers
(below the allowed default). Raise this value for the gptp sample.

Signed-off-by: Daniel DeGrasse <[email protected]>

Author: danieldegrasse

samples/net/gptp/boards/mimxrt1050_evk.conf

@@ -4,7 +4,7 @@ CONFIG_NET_CONFIG_PEER_IPV6_ADDR="2001:db8::1"
 CONFIG_NET_CONFIG_MY_IPV4_ADDR="192.0.2.2"
 CONFIG_NET_CONFIG_PEER_IPV4_ADDR="192.0.2.1"
 CONFIG_ETH_MCUX_PTP_CLOCK_SRC_HZ=25000000
-CONFIG_ETH_MCUX_RX_BUFFERS=4
+CONFIG_ETH_MCUX_RX_BUFFERS=6
 CONFIG_ETH_MCUX_TX_BUFFERS=4
 CONFIG_NET_GPTP_STATISTICS=y
 CONFIG_NEWLIB_LIBC_FLOAT_PRINTF=y

samples/net/gptp/boards/mimxrt1060_evk.conf

@@ -3,7 +3,7 @@ CONFIG_ETH_MCUX_PTP_CLOCK_SRC_HZ=25000000
 CONFIG_NET_GPTP_NEIGHBOR_PROP_DELAY_THR=1000000
 CONFIG_NET_GPTP_PROBE_CLOCK_SOURCE_ON_DEMAND=y
 CONFIG_NET_GPTP_CLOCK_ACCURACY_25MS=y
-#CONFIG_ETH_MCUX_RX_BUFFERS=4
+#CONFIG_ETH_MCUX_RX_BUFFERS=6
 #CONFIG_ETH_MCUX_TX_BUFFERS=8
 CONFIG_NET_GPTP_STATISTICS=y
 CONFIG_NEWLIB_LIBC_FLOAT_PRINTF=y