MLK-14917 ARM: dts: imx6ul-14x14-ddr3-arm2: fix pfuze200 probe error

MLK-14917 ARM: dts: imx6ul-14x14-ddr3-arm2: fix pfuze200 probe error

Fix below pfuze probe issue by setting correct range of SW3B:

pfuze100-regulator 0-0008: pfuze200 found.
SW3B: Bringing 3300000uV into 1975000-1975000uV
SW3B: failed to apply 1975000-1975000uV constraint(-22)
pfuze100-regulator 0-0008: register regulatorSW3B failed
pfuze100-regulator: probe of 0-0008 failed with error -22
2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 19, base_baud = 5000000) is a IMX

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>