arm: plat-orion: make bridge_virt_base non-const to support DT use case

For the Armada 370 and XP SoCs where the DT is used, we need to fill
at runtime the bridge_virt_base field on the
orion_addr_map_cfg. Therefore, remove the 'const' qualifier on this
field.
Signed-off-by: NThomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: NGregory CLEMENT <gregory.clement@free-electrons.com>
Acked-by: NArnd Bergmann <arnd@arndb.de>
Tested-by: NAndrew Lunn <andrew@lunn.ch>
Signed-off-by: NJason Cooper <jason@lakedaemon.net>

arch/arm/plat-orion/include/plat/addr-map.h

@@ -16,7 +16,7 @@ extern struct mbus_dram_target_info orion_mbus_dram_info;
 struct orion_addr_map_cfg {
 	const int num_wins;	/* Total number of windows */
 	const int remappable_wins;
-	void __iomem * const bridge_virt_base;
+	void __iomem *bridge_virt_base;
 
 	/* If NULL, the default cpu_win_can_remap will be used, using
 	   the value in remappable_wins */