sh_eth: fix comment grammar in 'struct sh_eth_cpu_data'

	/* hardware features */

	unsigned long irq_flags; /* IRQ configuration flags */

	unsigned no_psr:1;	/* EtherC DO NOT have PSR */

	unsigned apr:1;		/* EtherC have APR */

	unsigned mpr:1;		/* EtherC have MPR */

	unsigned tpauser:1;	/* EtherC have TPAUSER */

	unsigned bculr:1;	/* EtherC have BCULR */

	unsigned tsu:1;		/* EtherC have TSU */

	unsigned hw_swap:1;	/* E-DMAC have DE bit in EDMR */

	unsigned no_psr:1;	/* EtherC DOES NOT have PSR */

	unsigned apr:1;		/* EtherC has APR */

	unsigned mpr:1;		/* EtherC has MPR */

	unsigned tpauser:1;	/* EtherC has TPAUSER */

	unsigned bculr:1;	/* EtherC has BCULR */

	unsigned tsu:1;		/* EtherC has TSU */

	unsigned hw_swap:1;	/* E-DMAC has DE bit in EDMR */

	unsigned nbst:1;	/* E-DMAC has NBST bit in EDMR */

	unsigned rpadir:1;	/* E-DMAC have RPADIR */

	unsigned no_trimd:1;	/* E-DMAC DO NOT have TRIMD */

	unsigned no_ade:1;	/* E-DMAC DO NOT have ADE bit in EESR */

	unsigned rpadir:1;	/* E-DMAC has RPADIR */

	unsigned no_trimd:1;	/* E-DMAC DOES NOT have TRIMD */

	unsigned no_ade:1;	/* E-DMAC DOES NOT have ADE bit in EESR */

	unsigned no_xdfar:1;	/* E-DMAC DOES NOT have RDFAR/TDFAR */

	unsigned xdfar_rw:1;	/* E-DMAC has writeable RDFAR/TDFAR */

	unsigned hw_checksum:1;	/* E-DMAC has CSMR */

	unsigned select_mii:1;	/* EtherC have RMII_MII (MII select register) */

	unsigned select_mii:1;	/* EtherC has RMII_MII (MII select register) */

	unsigned rmiimode:1;	/* EtherC has RMIIMODE register */

	unsigned rtrate:1;	/* EtherC has RTRATE register */

	unsigned magic:1;	/* EtherC has ECMR.MPDE and ECSR.MPD */