[PATCH] i2c updates 4/4

[PATCH] i2c updates 4/4

Please apply the four of four tested patches that update
2.5.31 with these I2C changes:
 o Support for SMBus 2.0 PEC Packet Error Checking
 o New adapter-i2c-frodo for SA 1110 board
 o New adapter-i2c-rpx for embeded MPC8XX
 o Replace depreciated cli()&sti() with spin_{un}lock_irq()
 o Updated documentation