[RDKB][mt7986][bsp][fix 32bit on gsw mode build fail]

[Description]
fix 32bit on gsw mode build fail
1. corrected kernel device tree for 32bit on gsw mode

[Release-log]

diff --git a/conf/machine/filogic-32bit.conf b/conf/machine/filogic-32bit.conf
index 3e0f72b..6a0f4e3 100644
--- a/conf/machine/filogic-32bit.conf
+++ b/conf/machine/filogic-32bit.conf
@@ -14,8 +14,8 @@
 MACHINEOVERRIDES .="${@bb.utils.contains('DISTRO_FEATURES','switch_gsw_mode',':gsw','',d)}"
 
 KERNEL_DEVICETREE_gsw = " \
-    mediatek/mt7986a-2500wan-gsw-spim-nand-rfb.dtb \
-    mediatek/mt7986b-2500wan-gsw-spim-nand-rfb.dtb \
+    mt7986a-2500wan-gsw-spim-nand-rfb.dtb \
+    mt7986b-2500wan-gsw-spim-nand-rfb.dtb \
     "
     
 KERNEL_DEVICETREE ?= " \