myri10ge: Rename DCA-related firmware counters

Rename the cryptic "dca_capable" to "dca_capable_firmware"
and "dca_enabled" to "dca_device_present" in the firmware
counters.
Signed-off-by: NBrice Goglin <brice@myri.com>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

drivers/net/myri10ge/myri10ge.c

@@ -1688,7 +1688,7 @@ static const char myri10ge_gstrings_main_stats[][ETH_GSTRING_LEN] = {
 	"read_dma_bw_MBs", "write_dma_bw_MBs", "read_write_dma_bw_MBs",
 	"serial_number", "watchdog_resets",
 #ifdef CONFIG_DCA
-	"dca_capable", "dca_enabled",
+	"dca_capable_firmware", "dca_device_present",
 #endif
 	"link_changes", "link_up", "dropped_link_overflow",
 	"dropped_link_error_or_filtered",