ARM: ep93xx: export ep93xx_chip_revision
ARM: ep93xx: export ep93xx_chip_revision

ep93xx_chip_revision is used by the pata_ep93xx driver,
which can be a loadable module. Exporting the symbol
avoids a link error in this case.

Signed-off-by: Arnd Bergmann <f2c659f01951776204a6c5b902787d9019fbeebd@arndb.de>
Acked-by: Hartley Sweeten <382ff55d8e07d1082d179e669636cd1552da4f36@visionengravers.com>
Cc: Ryan Mallon <701b35d4bc64b77c26247ebbc8ab922c47cdbf61@gmail.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs