[U-Boot] env_mmc: fix buffer allocation for armv7

[Tom Rini]

On Fri, Oct 04, 2013 at 03:48:03PM +0200, Markus Niebel wrote:

> From: Markus Niebel <Markus.Niebel at tqs.de>
> 
> commit d196bd880347373237d73e0d115b4d51c68cf2ad adds
> redundand environment to mmc. The usage of malloc in
> env_relocate_spec triggers cache errors on armv7.
> 
> Tested on a not mainlined i.MX53 board:
> 
> Board: TQMa53
> I2C:   ready
> DRAM:  512 MiB
> MMC:   FSL_SDHC: 0, FSL_SDHC: 1
> ERROR: v7_dcache_inval_range - start address is not aligned - 0x8f57c2d8
> ERROR: v7_dcache_inval_range - stop address is not aligned - 0x8f57e2d8
> ERROR: v7_dcache_inval_range - start address is not aligned - 0x8f57e2e0
> ERROR: v7_dcache_inval_range - stop address is not aligned - 0x8f5802e0
> Using default environment
> 
> Signed-off-by: Markus Niebel <Markus.Niebel at tqs.de>

Applied to u-boot/master, thanks!

-- 
Tom
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