motion: bh1730: use 1K scale for d1_1k/d0_1k
motion: bh1730: use 1K scale for d1_1k/d0_1k

To use integer instead of float, we use d1_1k/d0_1k instead of d1/d0.
But when we devide value, d1_1k/d0_1k is not 1k base.
So, before we use value, we need to multiply value by 1K.

BUG=b:130835790
BRANCH=none
TEST=make -j BOARD=kohaku
     flash ec.bin on kokaku and read lux with ectool motionsense

Change-Id: If4e6abae43b4d296007680452f0584366825ad1e
Signed-off-by: Jongpil Jung <0b4c7feae419fb6eae018a6a712ba7da0e4e187d@samsung.corp-partner.google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1739028
Tested-by: Philip Chen <3ee404f9ef892bc3fda6e6a76e65843b5fa44db2@chromium.org>
Reviewed-by: Paul Fagerburg <d8c44b60afb21c60f56d931aa690ca1cf34910c8@chromium.org>
Reviewed-by: Philip Chen <3ee404f9ef892bc3fda6e6a76e65843b5fa44db2@chromium.org>
Commit-Queue: Philip Chen <3ee404f9ef892bc3fda6e6a76e65843b5fa44db2@chromium.org>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec