ARM: update multi_v7_defconfig for Tegra

This patch adds the same options to multi_v7_defconfig as were added to
tegra_defconfig in commit d1c912c1 "ARM: tegra: defconfig updates".
(CONFIG_POWER_RESET_AS3722 is already enabled here.)

Suggested-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>