ARM: multi_v7_defconfig: Enable CPCAP related options mostly as loadable modules

We need the CPCAP MFD and regulator built-in for UART console to work,
the rest can be loadable modules. Note that users probably want to also
enable serial 8250_OMAP that is not yet enabled by default.

Signed-off-by: Tony Lindgren <tony@atomide.com>