net: mscc: ocelot: rename ocelot_board.c to ocelot_vsc7514.c

To follow the model of felix and seville where we have one
platform-specific file, rename this file to the actual SoC it serves.
Signed-off-by: NVladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/mscc/Makefile

@@ -2,4 +2,4 @@
 obj-$(CONFIG_MSCC_OCELOT_SWITCH) += mscc_ocelot_common.o
 mscc_ocelot_common-y := ocelot.o ocelot_io.o
 mscc_ocelot_common-y += ocelot_regs.o ocelot_tc.o ocelot_police.o ocelot_ace.o ocelot_flower.o ocelot_ptp.o
-obj-$(CONFIG_MSCC_OCELOT_SWITCH_OCELOT) += ocelot_board.o
+obj-$(CONFIG_MSCC_OCELOT_SWITCH_OCELOT) += ocelot_vsc7514.o