[PATCH] EFI: add missing include

[Sascha Hauer]

On Wed, Sep 03, 2014 at 03:18:15PM +0200, Michael Olbrich wrote:
> Otherwise building produces these warnings:
> [...]
> arch/efi/efi/efi-image.c:48:2: warning: implicit declaration of function 'read_file' [-Wimplicit-function-declaration]
> arch/efi/efi/efi-image.c:48:6: warning: assignment makes pointer from integer without a cast [enabled by default]
> [...]
> 
> And bootm fails for x86_64. The implicit declaration has an int as return
> value, so half of the returned address is lost.
> 
> Signed-off-by: Michael Olbrich <m.olbrich at pengutronix.de>

Applied, thanks

This is probably the last patch before the September Release.

Sascha

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