fbcon: bgcolor fix

The fourth bit of the background color is the blink property bit, not the
intensity bit, as for the foreground color. Therefore it shouldn't be
included in the background color.

Signed-off-by: Stefano Stabellini <[e-mail]>
Cc: Krzysztof Helt <[e-mail]>
Cc: "Antonino A. Daplas" <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

drivers/video/console/fbcon.h

···
 #define attr_fgcol(fgshift,s)    \
 	(((s) >> (fgshift)) & 0x0f)
 #define attr_bgcol(bgshift,s)    \
-	(((s) >> (bgshift)) & 0x0f)
+	(((s) >> (bgshift)) & 0x07)
 
 /* Monochrome */
 #define attr_bold(s) \