qnx4: credit contributors in CREDITS

Replace the content of the qnx4 README file with the canonical place for
such information.

Add the credits of the qnx4 contribution to CREDITS. As there is already a
QNX4 FILESYSTEM section in MAINTAINERS, it is clear who to contact and send
patches to.

Signed-off-by: Lukas Bulwahn <[email protected]>
Acked-By: Anders Larsen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jonathan Corbet <[email protected]>

CREDITS

@@ -890,6 +890,10 @@ W: http://jdelvare.nerim.net/
 D: Several hardware monitoring drivers
 S: France
 
+N: Frank "Jedi/Sector One" Denis
+E: [email protected]
+D: QNX4 filesystem
+
 N: Peter Denison
 E: [email protected]
 W: http://www.pnd-pc.demon.co.uk/promise/
@@ -1263,6 +1267,10 @@ S: USA
 N: Adam Fritzler
 E: [email protected]
 
+N: Richard "Scuba" A. Frowijn
+E: [email protected]
+D: QNX4 filesystem
+
 N: Fernando Fuganti
 E: [email protected]
 E: [email protected]
@@ -2222,6 +2230,10 @@ D: Digiboard PC/Xe and PC/Xi, Digiboard EPCA
 D: NUMA support, Slab allocators, Page migration
 D: Scalability, Time subsystem
 
+N: Anders Larsen
+E: [email protected]
+D: QNX4 filesystem
+
 N: Paul Laufer
 E: [email protected]
 D: Soundblaster driver fixes, ISAPnP quirk