board: qualcomm: Remove <common.h> and add needed includes

Remove <common.h> from this board vendor directory and when needed
add missing include files directly.

Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Tom Rini <trini@konsulko.com>

board/qualcomm/dragonboard410c/dragonboard410c.c

@@ -6,7 +6,6 @@
  */
 
 #include <button.h>
-#include <common.h>
 #include <cpu_func.h>
 #include <dm.h>
 #include <dm/pinctrl.h>

board/qualcomm/dragonboard820c/dragonboard820c.c

@@ -13,7 +13,6 @@
 #include <asm/global_data.h>
 #include <linux/arm-smccc.h>
 #include <linux/psci.h>
-#include <common.h>
 #include <dm.h>
 #include <asm/io.h>
 #include <linux/bitops.h>