fix(versal): fix incorrect regbase for PMC IPI

PMC ipi register base can't be the same as is for IPI_ID_APU that's why
that address is not correct and needs to be fixed.

Change-Id: I7ff2c9c0dd5995487e41f6b1060e4c9880c009fa
Signed-off-by: Michal Simek <michal.simek@amd.com>
diff --git a/plat/xilinx/versal/versal_ipi.c b/plat/xilinx/versal/versal_ipi.c
index 75d4c14..67915f4 100644
--- a/plat/xilinx/versal/versal_ipi.c
+++ b/plat/xilinx/versal/versal_ipi.c
@@ -23,7 +23,7 @@
 	/* PMC IPI */
 	[IPI_ID_PMC] = {
 		.ipi_bit_mask = PMC_IPI_TRIG_BIT,
-		.ipi_reg_base = IPI0_REG_BASE,
+		.ipi_reg_base = PMC_REG_BASE,
 		.secure_only = 0U,
 	},