Patch merged into coreboot/master: riscv/spike: Remove obsolete DRAM_SIZE_MB setting

the following patch was just integrated into master:
commit f676aa4afdadac5dce93ca10a9fe2c4d9ca4edfb
Author: Jonathan Neuschäfer 
Date:   Mon Jan 16 00:31:34 2017 +0100

riscv/spike: Remove obsolete DRAM_SIZE_MB setting

Change-Id: I4077739ac2be09107d8c5a3e4ae7ebd0da3cb876
    Signed-off-by: Jonathan Neuschäfer 
    Reviewed-on: https://review.coreboot.org/18147
    Tested-by: build bot (Jenkins)
    Reviewed-by: Ronald G. Minnich

See https://review.coreboot.org/18147 for details.

-gerrit