ti-ipc-rtos: also install IPU M4 images

TODO: do we need to preserve naming/hierarchy for multiple DSP/IPU instances?

Signed-off-by: Denys Dmytriyenko <denys@ti.com>

recipes-ti/ipc/ti-ipc-rtos_git.bb

@@ -2,7 +2,7 @@ require recipes-ti/includes/ti-paths.inc
 require recipes-ti/includes/ti-staging.inc
 require ti-ipc.inc
 
-PR = "${INC_PR}.2"
+PR = "${INC_PR}.3"
 
 DEPENDS = "ti-xdctools ti-sysbios"
 DEPENDS_append_keystone = " ti-cgt6x-native \
@@ -57,4 +57,5 @@ do_install() {
 
     install -d ${D}${base_libdir}/firmware
     find . -name "*.xe66" -type f | xargs -I {} install -m 0644 {} ${D}${base_libdir}/firmware/
+    find . -name "*.xem4" -type f | xargs -I {} install -m 0644 {} ${D}${base_libdir}/firmware/
 }