arm: Remove edb9315a board

These boards have not been converted to CONFIG_DM_USB by the deadline
and is also missing conversion to CONFIG_DM.  Remove it.

This is also the last PL010_SERIAL using board, so remove those
references.

Cc: Sergey Kostanbaev <sergey.kostanbaev@fairwaves.ru>
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 9f82467..961e3fb 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -332,7 +332,7 @@
 
 config DEBUG_UART_PL010
 	bool "pl010"
-	depends on PL01X_SERIAL || PL010_SERIAL
+	depends on PL01X_SERIAL
 	help
 	  Select this to enable a debug UART using the pl01x driver with the
 	  PL010 UART type. You will need to provide parameters to make this
@@ -695,12 +695,6 @@
 	  Select this to enable a UART for Intel MID platforms.
 	  This uses the ns16550 driver as a library.
 
-config PL010_SERIAL
-	bool "ARM PL010 driver"
-	depends on !DM_SERIAL
-	help
-	  Select this to enable a UART for platforms using PL010.
-
 config PL011_SERIAL
 	bool "ARM PL011 driver"
 	depends on !DM_SERIAL