gdb: bump to version 7.8.2

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/gdb/Config.in.host

@@ -55,4 +55,4 @@ config BR2_GDB_VERSION
 	default "arc-2014.08-gdb" if BR2_arc
 	default "6be65fb56ea6694a9260733a536a023a1e2d4d57" if BR2_microblaze
 	default "7.7.1"    if BR2_GDB_VERSION_7_7 || !BR2_PACKAGE_HOST_GDB
-	default "7.8.1"	   if BR2_GDB_VERSION_7_8
+	default "7.8.2"	   if BR2_GDB_VERSION_7_8