fix(st-sdmmc2): correct cmd_idx type in messages

As cmd_idx is unsigned, we have to use %u and not %d.
This avoids warning when -Wformat-signedness is enabled.

Change-Id: I6954a8c939f3fb47dbb2c6db56a1909565af078b
Signed-off-by: Yann Gautier <yann.gautier@st.com>
1 file changed