configs: stm32mp13: increase SYS_MALLOC_F_LEN to 0x210000

Due SCMI update to protocol v2.0, we need to increase
SYS_MALLOC_F_LEN value to avoid following message:
alloc space exhausted ptr 200040 limit 200000

Set SYS_MALLOC_F_LEN to 0x210000 to fix this issue.

Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
1 file changed