pcmcia: sa11xx_base: add units to the timing information

Add units to the timing information, so we know that the numbers are
nanoseconds.  The output changes from:

I/O      : 165 (172)
attribute: 300 (316)
common   : 300 (316)

to:

I/O      : 165ns (172ns)
attribute: 300ns (316ns)
common   : 300ns (316ns)
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>

drivers/pcmcia/sa11xx_base.c

@@ -150,13 +150,13 @@ sa1100_pcmcia_show_timing(struct soc_pcmcia_socket *skt, char *buf)
 
 	soc_common_pcmcia_get_timing(skt, &timing);
 
-	p+=sprintf(p, "I/O      : %u (%u)\n", timing.io,
+	p+=sprintf(p, "I/O      : %uns (%uns)\n", timing.io,
 		   sa1100_pcmcia_cmd_time(clock, MECR_BSIO_GET(mecr, skt->nr)));
 
-	p+=sprintf(p, "attribute: %u (%u)\n", timing.attr,
+	p+=sprintf(p, "attribute: %uns (%uns)\n", timing.attr,
 		   sa1100_pcmcia_cmd_time(clock, MECR_BSA_GET(mecr, skt->nr)));
 
-	p+=sprintf(p, "common   : %u (%u)\n", timing.mem,
+	p+=sprintf(p, "common   : %uns (%uns)\n", timing.mem,
 		   sa1100_pcmcia_cmd_time(clock, MECR_BSM_GET(mecr, skt->nr)));
 
 	return p - buf;