stm32mp1: use %u in NOTICE message for board info

The board information values, read in an OTP are never negative,
%u is then used instead of %d.

Change-Id: I3bc22401fb4d54666ddf56411f75b79aca738492
Signed-off-by: Yann Gautier <yann.gautier@st.com>
1 file changed