am33x-cm3: Split init script into its own package

* 3.8+ kernels use an init script to load the cm3 firmware.
* 3.2 kernel require the cm3 firmware during compile time therefore no init
  script is needed.
* Separate the init script from the main package and place it in its own
  package.

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

recipes-kernel/linux/linux-ti-staging_3.8.bb

@@ -11,7 +11,7 @@ require recipes-kernel/linux/setup-defconfig.inc
 
 # Add a run-time dependency for the PM firmware to be installed
 # on the target file system.
-RDEPENDS_kernel-base_ti33x += "am33x-cm3"
+RDEPENDS_kernel-base_ti33x += "am33x-cm3 am33x-cm3-initscript"
 
 # Default is to package all dts files for ti33x devices unless building
 # for the specific beaglebone machine.
@@ -30,7 +30,7 @@ SRCREV = "23e7f725a6af4ca44660c06bc3569f6ce705d1d0"
 PV = "3.8.8"
 
 # Append to the MACHINE_KERNEL_PR so that a new SRCREV will cause a rebuild
-MACHINE_KERNEL_PR_append = "c+gitr${SRCPV}"
+MACHINE_KERNEL_PR_append = "d+gitr${SRCPV}"
 
 SRC_URI = "git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git;protocol=git;branch=${BRANCH} \
            file://defconfig \