ARM: dts: aspeed: Everest: Fix cable card PCA chips

Correct two PCA chips which were placed on the wrong I2C bus and
address.

Signed-off-by: Eddie James <eajames@linux.ibm.com>
Signed-off-by: Santosh Puranik <santosh.puranik@in.ibm.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>