mfd: tps65090: Replace irqchip mask_invert with unmask_base

Remove use of the deprecated mask_invert flag. Inverted mask
registers (where a '1' bit enables an IRQ) can be described more
directly as an unmask register.
Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@gmail.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20221112151835.39059-18-aidanmacdonald.0x0@gmail.com

drivers/mfd/tps65090.c

@@ -127,8 +127,7 @@ static struct regmap_irq_chip tps65090_irq_chip = {
 	.num_irqs = ARRAY_SIZE(tps65090_irqs),
 	.num_regs = NUM_INT_REG,
 	.status_base = TPS65090_REG_INTR_STS,
-	.mask_base = TPS65090_REG_INTR_MASK,
-	.mask_invert = true,
+	.unmask_base = TPS65090_REG_INTR_MASK,
 };
 
 static bool is_volatile_reg(struct device *dev, unsigned int reg)