net: pcnet: Drop PCNET_HAS_PROM

All of one PCNET users has this option set, make this default
and drop this config option.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/drivers/net/pcnet.c b/drivers/net/pcnet.c
index c6f080d..edc4dba 100644
--- a/drivers/net/pcnet.c
+++ b/drivers/net/pcnet.c
@@ -241,10 +241,7 @@
 {
 	int chip_version;
 	char *chipname;
-
-#ifdef PCNET_HAS_PROM
 	int i;
-#endif
 
 	/* Reset the PCnet controller */
 	pcnet_reset(dev);
@@ -279,7 +276,6 @@
 
 	PCNET_DEBUG1("AMD %s\n", chipname);
 
-#ifdef PCNET_HAS_PROM
 	/*
 	 * In most chips, after a chip reset, the ethernet address is read from
 	 * the station address PROM at the base address and programmed into the
@@ -293,7 +289,6 @@
 		dev->enetaddr[2 * i] = val & 0x0ff;
 		dev->enetaddr[2 * i + 1] = (val >> 8) & 0x0ff;
 	}
-#endif /* PCNET_HAS_PROM */
 
 	return 0;
 }
diff --git a/include/configs/malta.h b/include/configs/malta.h
index 773d7c2..82c9004 100644
--- a/include/configs/malta.h
+++ b/include/configs/malta.h
@@ -16,7 +16,6 @@
 #define CONFIG_PCI_GT64120
 #define CONFIG_PCI_MSC01
 #define CONFIG_PCNET
-#define PCNET_HAS_PROM
 
 #define CONFIG_SYS_ISA_IO_BASE_ADDRESS	0