soc/intel/denverton_ns: Use `popcnt()` helper

Use the `popcnt()` helper instead of manually counting the number of set
bits in the first `CONFIG_MAX_CPUS` bits with a loop. Also, use unsigned
types to store the number of active/total cores.

Change-Id: Iae6b16991fcf07c9ad67d2b737e490212b8deedd
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/58912
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

0 files changed, 0 insertions, 0 deletions