sh_eth: fix TRSCER mask for R7S9210

According  to the RZ/A2M Group User's Manual: Hardware, Rev. 2.00,
the TRSCER register has bit 9 reserved, hence we can't use the driver's
default TRSCER mask.  Add the explicit initializer for sh_eth_cpu_data::
trscer_err_mask for R7S9210.

Fixes: 6e0bb04d ("sh_eth: Add R7S9210 support")
Signed-off-by: NSergey Shtylyov <s.shtylyov@omprussia.ru>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/renesas/sh_eth.c

@@ -782,6 +782,8 @@ static struct sh_eth_cpu_data r7s9210_data = {
 
 	.fdr_value	= 0x0000070f,
 
+	.trscer_err_mask = DESC_I_RINT8 | DESC_I_RINT5,
+
 	.apr		= 1,
 	.mpr		= 1,
 	.tpauser	= 1,