deprecate obsolete pca9539 driver

Use drivers/gpio/pca9539.c instead.

Signed-off-by: eric miao <[email protected]>
Acked-by: Ben Gardner <[email protected]>
Acked-by: Jean Delvare <[email protected]>
Signed-off-by: David Brownell <[email protected]>
Cc: Sam Ravnborg <[email protected]>
Cc: Haavard Skinnemoen <[email protected]>
Cc: Philipp Zabel <[email protected]>
Cc: Russell King <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
2 files changed