[BUG] Fix drivers/memory O= build

[Tony Lindgren]

* Russell King - ARM Linux <linux at armlinux.org.uk> [180406 03:27]:
> When building a kernel with split object directories, the following
> failure occurs:
> 
> .../drivers/memory/emif-asm-offsets.c:1:0: fatal error: can't open drivers/memory/emif-asm-offsets.s for writing: No such file or directory
> compilation terminated.
> drivers/memory/Makefile.asm-offsets:2: recipe for target 'drivers/memory/emif-asm-offsets.s' failed
> make[2]: *** [drivers/memory/emif-asm-offsets.s] Error 1
> .../Makefile:1060: recipe for target 'arch/arm/mach-omap2' failed
> make[1]: *** [arch/arm/mach-omap2] Error 2
> 
> This prevents any kernel being built that includes decending into
> arch/arm/mach-omap2 with split object directories.
> 
> This is a regression.

Dave, I presume you're looking into this already?

Regards,

Tony