linux-yocto-bsps: update hardware reference BSPs to v3.4.11

The hardware reference BSPs are missing the update to 3.4.11
that the qemu* machines received several weeks ago.

Bumping to 3.4.11 specifically addresses the segfaults being
seen with rpm on the beagleboard.

[YOCTO #3186]

(From meta-yocto rev: f2d93f4e79d0c8c0035774cfa7dc4beb197899f4)

Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta-yocto-bsp/recipes-kernel/linux/linux-yocto_3.4.bbappend

@@ -3,11 +3,10 @@ KBRANCH_routerstationpro = "standard/routerstationpro"
 KBRANCH_mpc8315e-rdb = "standard/fsl-mpc8315e-rdb"
 KBRANCH_beagleboard = "standard/beagleboard"
 
-SRCREV_machine_atom-pc ?= "59c3ff750831338d05ab67d5efd7fc101c451aff"
-SRCREV_machine_routerstationpro ?= "009935376be574746446f4bead6f0fb7b40d6d79"
-SRCREV_machine_mpc8315e-rdb ?= "6b18b6f483716b757c7c8642fa3792235118bb63"
-SRCREV_machine_beagleboard ?= "59c3ff750831338d05ab67d5efd7fc101c451aff"
-
+SRCREV_machine_atom-pc ?= "3fa06aa29078fdb2af431de2d3fdae7d281ba85f"
+SRCREV_machine_routerstationpro ?= "d041a78adac8cefd70ba42c316c07069b7b83def"
+SRCREV_machine_mpc8315e-rdb ?= "b7f8afa34eb1f3de110c0acfd6fb44bdae200e6a"
+SRCREV_machine_beagleboard ?= "3fa06aa29078fdb2af431de2d3fdae7d281ba85f"
 
 COMPATIBLE_MACHINE_mpc8315e-rdb = "mpc8315e-rdb"
 COMPATIBLE_MACHINE_routerstationpro = "routerstationpro"