regulator: pcf50633-regulator: Remove

The pcf50633 was used as part of the OpenMoko devices but
the support for its main chip was recently removed in:
commit 61b7f89 ("ARM: s3c: remove all s3c24xx support")

See https://lore.kernel.org/all/Z8z236h4B5A6Ki3D@gallifrey/

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://patch.msgid.link/20250311014959.743322-6-linux@treblig.org
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: Dr. David Alan Gilbert

drivers/regulator/Kconfig

@@ -988,13 +988,6 @@ config REGULATOR_PCAP
 	 This driver provides support for the voltage regulators of the
 	 PCAP2 PMIC.
 
-config REGULATOR_PCF50633
-	tristate "NXP PCF50633 regulator driver"
-	depends on MFD_PCF50633
-	help
-	 Say Y here to support the voltage regulators and converters
-	 on PCF50633
-
 config REGULATOR_PF8X00
 	tristate "NXP PF8100/PF8121A/PF8200 regulator driver"
 	depends on I2C && OF

drivers/regulator/Makefile

@@ -132,7 +132,6 @@ obj-$(CONFIG_REGULATOR_PWM) += pwm-regulator.o
 obj-$(CONFIG_REGULATOR_TPS51632) += tps51632-regulator.o
 obj-$(CONFIG_REGULATOR_PBIAS) += pbias-regulator.o
 obj-$(CONFIG_REGULATOR_PCAP) += pcap-regulator.o
-obj-$(CONFIG_REGULATOR_PCF50633) += pcf50633-regulator.o
 obj-$(CONFIG_REGULATOR_RAA215300) += raa215300.o
 obj-$(CONFIG_REGULATOR_RASPBERRYPI_TOUCHSCREEN_ATTINY)  += rpi-panel-attiny-regulator.o
 obj-$(CONFIG_REGULATOR_RC5T583)  += rc5t583-regulator.o