Fix read function for EMST F25L008A

SPI chips never should use read_memmapped. The SPI master code might
decide that read_memmapped is fine for this chip, though, in a lower
layer.

Corresponding to flashrom svn r1074.
Signed-off-by: Michael Karcher <flashrom@mkarcher.dialup.fu-berlin.de>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>

flashchips.c

@@ -1393,7 +1393,7 @@ struct flashchip flashchips[] = {
 			}
 		},
 		.write		= spi_aai_write,
-		.read		= read_memmapped,
+		.read		= spi_chip_read,
 	},
 
 	{