OMAP2/3 clock: fix CONFIG_OMAP_RESET_CLOCKS
plat-omap/clock.c was skipping clocks with enable_reg == 0. This no longer
works now that we use enable_reg as an offset from a PRCM module.
Problem found and traced by Tero Kristo <tero.kristo@nokia.com> -
thanks Tero.
Signed-off-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>