ppc4xx: Fix compilation warning in 4xx miiphy.c

This patch fixes the following compilation warning:

miiphy.c: In function 'emac4xx_miiphy_read':
miiphy.c:353: warning: dereferencing type-punned pointer will break
strict-aliasing rules

Signed-off-by: Stefan Roese <sr@denx.de>
1 file changed