meta-yocto-bsp: Bump to the latest stable kernel for the non-x86 BSPs

Bump to the latest stable kernel for 4.18.

(From meta-yocto rev: e9a9591f36d1e7a602fdb245a1f2d1707958e0e5)

Signed-off-by: Kevin Hao <kexin.hao@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta-yocto-bsp/recipes-kernel/linux/linux-yocto_4.18.bbappend

@@ -10,9 +10,9 @@ KMACHINE_beaglebone-yocto ?= "beaglebone"
 
 SRCREV_machine_genericx86    ?= "db2d813869a0501782469ecdb17e277a501c9f57"
 SRCREV_machine_genericx86-64 ?= "db2d813869a0501782469ecdb17e277a501c9f57"
-SRCREV_machine_edgerouter ?= "0cdc8564c61958a39704d97e008120bd7c762f60"
-SRCREV_machine_beaglebone-yocto ?= "0cdc8564c61958a39704d97e008120bd7c762f60"
-SRCREV_machine_mpc8315e-rdb ?= "20be2231bb047b02248d7f965c1c3af0c6be3a5e"
+SRCREV_machine_edgerouter ?= "28e7781d57a59227bf1c08c7f3dbdfee16aa0dc2"
+SRCREV_machine_beaglebone-yocto ?= "28e7781d57a59227bf1c08c7f3dbdfee16aa0dc2"
+SRCREV_machine_mpc8315e-rdb ?= "99071a599d8650b069fb8135866fca203f375350"
 
 COMPATIBLE_MACHINE_genericx86 = "genericx86"
 COMPATIBLE_MACHINE_genericx86-64 = "genericx86-64"
@@ -22,6 +22,6 @@ COMPATIBLE_MACHINE_mpc8315e-rdb = "mpc8315e-rdb"
 
 LINUX_VERSION_genericx86 = "4.18.22"
 LINUX_VERSION_genericx86-64 = "4.18.22"
-LINUX_VERSION_edgerouter = "4.18.9"
-LINUX_VERSION_beaglebone-yocto = "4.18.9"
-LINUX_VERSION_mpc8315e-rdb = "4.18.9"
+LINUX_VERSION_edgerouter = "4.18.25"
+LINUX_VERSION_beaglebone-yocto = "4.18.25"
+LINUX_VERSION_mpc8315e-rdb = "4.18.25"