net: dsa: microchip: fill regmap_config name

Use the register value width as the regmap_config name to prevent the
following error when the second and third regmap_configs are
initialized.
 "debugfs: Directory '${bus-id}' with parent 'regmap' already present!"
Signed-off-by: NGeorge McCollister <george.mccollister@gmail.com>
Reviewed-by: NMarek Vasut <marex@denx.de>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/dsa/microchip/ksz_common.h

@@ -128,6 +128,7 @@ static inline void ksz_pwrite32(struct ksz_device *dev, int port, int offset,
 
 #define KSZ_REGMAP_ENTRY(width, swp, regbits, regpad, regalign)		\
 	{								\
+		.name = #width,						\
 		.val_bits = (width),					\
 		.reg_stride = (width) / 8,				\
 		.reg_bits = (regbits) + (regalign),			\