refactor(st-ddr): remove name from stm32mp_ddr_reg_desc

It was only used for an error trace, with little added value. This
allows some gains in DDR driver data size.

Signed-off-by: Yann Gautier <yann.gautier@st.com>
Change-Id: I02e2fc75efd90ff188e62f39850b9bd4c3af1649
diff --git a/drivers/st/ddr/stm32mp_ddr.c b/drivers/st/ddr/stm32mp_ddr.c
index 620aa04..65a49ad 100644
--- a/drivers/st/ddr/stm32mp_ddr.c
+++ b/drivers/st/ddr/stm32mp_ddr.c
@@ -37,7 +37,8 @@
 		uintptr_t ptr = base_addr + desc[i].offset;
 
 		if (desc[i].par_offset == INVALID_OFFSET) {
-			ERROR("invalid parameter offset for %s", desc[i].name);
+			ERROR("invalid parameter offset for %s - index %u",
+			      ddr_registers[type].name, i);
 			panic();
 		} else {
 			value = *((uint32_t *)((uintptr_t)param +