Revert "Merge tag 'dm-pull-20jul20' of git://git.denx.de/u-boot-dm"

This reverts commit 5d3a21df6694ebd66d5c34c9d62a26edc7456fc7, reversing
changes made to 56d37f1c564107e27d873181d838571b7d7860e7.

Unfortunately this is causing CI failures:
https://travis-ci.org/github/trini/u-boot/jobs/711313649

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/spi/designware_spi.c b/drivers/spi/designware_spi.c
index 2559aac..c9b14f9 100644
--- a/drivers/spi/designware_spi.c
+++ b/drivers/spi/designware_spi.c
@@ -157,7 +157,7 @@
 {
 	struct dw_spi_platdata *plat = bus->platdata;
 
-	plat->regs = dev_read_addr_ptr(bus);
+	plat->regs = (struct dw_spi *)devfdt_get_addr(bus);
 
 	/* Use 500KHz as a suitable default */
 	plat->frequency = dev_read_u32_default(bus, "spi-max-frequency",