matroxfb: add Matrox MGA-G200eW board support

It's needed to support the onboard video on my Spectre-free
Atom S1260 server board.

Signed-off-by: Rich Felker <[e-mail]>
Cc: Greg Kroah-Hartman <[e-mail]>
Cc: Thomas Gleixner <[e-mail]>
[b.zolnierkie: patch description fixup]
Signed-off-by: Bartlomiej Zolnierkiewicz <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/video/fbdev/matrox/matroxfb_base.c

···
 	.accelID = FB_ACCEL_MATROX_MGAG200,
 	.lowlevel = &matrox_G100
 };
+static struct video_board vbG200eW = {
+	.maxvram = 0x800000,
+	.maxdisplayable = 0x800000,
+	.accelID = FB_ACCEL_MATROX_MGAG200,
+	.lowlevel = &matrox_G100
+};
 /* from doc it looks like that accelerator can draw only to low 16MB :-( Direct accesses & displaying are OK for
    whole 32MB */
 static struct video_board vbG400 = {
···
 		MGA_G200,
 		&vbG200,
 		"MGA-G200 (PCI)"},
+	{PCI_VENDOR_ID_MATROX,	0x0532,	0xFF,
+		0,			0,
+		DEVF_G200,
+		250000,
+		MGA_G200,
+		&vbG200eW,
+		"MGA-G200eW (PCI)"},
 	{PCI_VENDOR_ID_MATROX,	PCI_DEVICE_ID_MATROX_G200_AGP,	0xFF,
 		PCI_SS_VENDOR_ID_MATROX,	PCI_SS_ID_MATROX_GENERIC,
 		DEVF_G200,
···
 	{PCI_VENDOR_ID_MATROX,	PCI_DEVICE_ID_MATROX_G100_AGP,
 		PCI_ANY_ID,	PCI_ANY_ID,	0, 0, 0},
 	{PCI_VENDOR_ID_MATROX,	PCI_DEVICE_ID_MATROX_G200_PCI,
+		PCI_ANY_ID,	PCI_ANY_ID,	0, 0, 0},
+	{PCI_VENDOR_ID_MATROX,	0x0532,
 		PCI_ANY_ID,	PCI_ANY_ID,	0, 0, 0},
 	{PCI_VENDOR_ID_MATROX,	PCI_DEVICE_ID_MATROX_G200_AGP,
 		PCI_ANY_ID,	PCI_ANY_ID,	0, 0, 0},