fix mvbc_p board build warnings

fix build warnings @ mvBC-P board by using correct types, i.e. change
out_be32 to out_be16 and out_8 accordingly.

Signed-off-by: Andre Schwarz <andre.schwarz@matrix-vision.de>
diff --git a/board/matrix_vision/mvbc_p/mvbc_p.c b/board/matrix_vision/mvbc_p/mvbc_p.c
index 5c71dec..3332f5a 100644
--- a/board/matrix_vision/mvbc_p/mvbc_p.c
+++ b/board/matrix_vision/mvbc_p/mvbc_p.c
@@ -117,12 +117,12 @@
 	out_be32(&gpio->simple_ode, SIMPLE_ODE);
 	out_be32(&gpio->simple_gpioe, SIMPLE_GPIOEN);
 
-	out_be32((u32*)&gpio->sint_ode, SINT_ODE);
-	out_be32((u32*)&gpio->sint_ddr, SINT_DDR);
-	out_be32((u32*)&gpio->sint_dvo, SINT_DVO);
-	out_be32((u32*)&gpio->sint_inten, SINT_INTEN);
-	out_be32((u32*)&gpio->sint_itype, SINT_ITYPE);
-	out_be32((u32*)&gpio->sint_gpioe, SINT_GPIOEN);
+	out_8(&gpio->sint_ode, SINT_ODE);
+	out_8(&gpio->sint_ddr, SINT_DDR);
+	out_8(&gpio->sint_dvo, SINT_DVO);
+	out_8(&gpio->sint_inten, SINT_INTEN);
+	out_be16(&gpio->sint_itype, SINT_ITYPE);
+	out_8(&gpio->sint_gpioe, SINT_GPIOEN);
 
 	out_8((u8*)MPC5XXX_WU_GPIO_ODE, WKUP_ODE);
 	out_8((u8*)MPC5XXX_WU_GPIO_DIR, WKUP_DIR);