The calculation for mem_chip_info_total_density_bytes() may already overflow in the intermediate 32-bit calculations before being assigned to the 64-bit result variable. Fix that. Fixes Coverity issue: CID 1501510 BRANCH=corsola Signed-off-by: Julius Werner <jwerner@chromium.org> Change-Id: I73da014c953381974c6ede2b17586b68675bde2d Reviewed-on: https://review.coreboot.org/c/coreboot/+/70764 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Yu-Ping Wu <yupingso@google.com>