Compile gfxnvidia by default, but disallow write/erase

Corresponding to flashrom svn r1117.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
diff --git a/Makefile b/Makefile
index 782ecac..3c5d256 100644
--- a/Makefile
+++ b/Makefile
@@ -128,8 +128,8 @@
 # Always enable 3Com NICs for now.
 CONFIG_NIC3COM ?= yes
 
-# Disable NVIDIA graphics cards for now, write/erase don't work properly.
-CONFIG_GFXNVIDIA ?= no
+# Enable NVIDIA graphics cards. Note: write and erase do not work properly.
+CONFIG_GFXNVIDIA ?= yes
 
 # Always enable SiI SATA controllers for now.
 CONFIG_SATASII ?= yes
diff --git a/gfxnvidia.c b/gfxnvidia.c
index 212f5b9..b0bf79b 100644
--- a/gfxnvidia.c
+++ b/gfxnvidia.c
@@ -82,6 +82,9 @@
 
 	buses_supported = CHIP_BUSTYPE_PARALLEL;
 
+	/* Write/erase doesn't work. */
+	programmer_may_write = 0;
+
 	return 0;
 }