MPC8315ERDB support and bug fix

Hello,

The patch 1/4: clean up the cache config of 8360ERDK.
patch 2/4: The RTL8211B PHY support in TSEC, I don't know
who can take the patch. Kim, Andy or Ben?
patch 3/4 and 4/4: MPC8315ERDB board support

Big thanks,
Dave

The following changes since commit
061aad4d320dddce26247699dcf2875ee2ea1366
Dave Liu (1)
mpc83xx: Fix the bug of 266MHz data rate DDR

are available in the git repository at:

git://www.denx.de/git/u-boot-mpc83xx.git master

[PATCH 1/4] mpc83xx: Remove cache config from MPC8360ERDK.h [PATCH 2/4] TSEC: Add the support for RealTek RTL8211B PHY [PATCH 3/4] mpc83xx: Add config of eTSEC emergency priority in SPCR [PATCH 4/4] mpc83xx: Add the support for MPC8315ERDB board