simple-pm-bus binding requires either power-domains or clocks, not both.
Allow clk_get_bulk() to return -ENOENT.
When no clocks are present, bulk->count is set to 0, which works
correctly with clk_enable_bulk() and other clk functions used in this
driver.
Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Signed-off-by: Markus Schneider-Pargmann (TI.com) <msp@baylibre.com>
447bd8f1e5