bcm53xx: use new USB 2.0 PHY binding
This fixes:
[ 10.440495] bcm_ns_usb2
1800c000.usb2-phy: can't request region for resource [mem 0x1800c000-0x1800cfff]
[ 10.450039] bcm_ns_usb2
1800c000.usb2-phy: Failed to map DMU regs
[ 10.456183] bcm_ns_usb2: probe of
1800c000.usb2-phy failed with error -16
caused by conflict in allocating resources.
Fixes: 44ce70f0e209c ("bcm53xx: drop downstream patch that now breaks pinctrl driver")
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
(cherry picked from commit
1d7c1a41987ae463700224c08a3629e4086a8f39)