test: Add printf test for %pT
test: Add printf test for %pT

Add a couple basic tests for %pT values.

BUG=chromium:984041
TEST=make -j buildall
BRANCH=none

Change-Id: I8cb56017b883b6257e1432bd64eae3ae943edf8b
Signed-off-by: Evan Green <e00bb247ee1d736884e1d54ef0d6b838cb86c075@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1828067
Reviewed-by: Jack Rosenthal <d3f605bef1867f59845d4ce6e4f83b8dc9e4e0ae@chromium.org>

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