[PATCHv2 1/3] arm: introduce config HAS_BANDGAP

[Fabio Estevam]

On Wed, May 15, 2013 at 11:58 AM, Eduardo Valentin
<eduardo.valentin at ti.com> wrote:
> Introduce HAS_BANDGAP config entry. This config is a
> boolean value so that arch code can flag is they
> feature a bandgap device.
>
> This config entry follows the same idea behind
> ARCH_HAS_CPUFREQ.

It would be nice if you explain what BANDGAP means here, since you
introduce this option in this patch.