feat(st-sdmmc2): set FIFO size to 1024 on STM32MP25

On STM32MP25, a new version of the SDMMC2 IP is embedded (v3.0).
The size of the FIFO is 1024 in this new IP version.

Signed-off-by: Yann Gautier <yann.gautier@st.com>
Change-Id: Ie6b1fb215fc77b24b7c342d4cd69248a96039a4d
1 file changed