board: ti: am62x: Add remoteproc specific env support

Add remoteproc specific env support for am62x device. If the
remoteproc CMD is defined, include the K3 remoteproc environment.
Also define rproc_fw_binaries which holds a list of remoteproc FW
binaries for u-boot loading of remote cores.

Signed-off-by: Hari Nagalla <hnagalla@ti.com>
Signed-off-by: Judith Mendez <jm@ti.com>
Reviewed-by: Andrew Davis <afd@ti.com>
diff --git a/board/ti/am62x/am62x.env b/board/ti/am62x/am62x.env
index 078cc4b..60b5fd5 100644
--- a/board/ti/am62x/am62x.env
+++ b/board/ti/am62x/am62x.env
@@ -2,6 +2,12 @@
 #include <env/ti/mmc.env>
 #include <env/ti/k3_dfu.env>
 
+#if CONFIG_CMD_REMOTEPROC
+#include <env/ti/k3_rproc.env>
+#endif
+
+rproc_fw_binaries= 0 /lib/firmware/am62-mcu-m4f0_0-fw
+
 name_kern=Image
 console=ttyS2,115200n8
 args_all=setenv optargs ${optargs} earlycon=ns16550a,mmio32,0x02800000