DEVELOPERS: add package/bitcoin for Dick Olsson

Signed-off-by: Dick Olsson <hi@senzilla.io>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit b6c115193648344f5f1ce3484b5be0ae82a1a19b)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

DEVELOPERS

@@ -674,6 +674,7 @@ F:	package/ipcalc/
 
 N:	Dick Olsson <hi@senzilla.io>
 F:	package/bearssl/
+F:	package/bitcoin/
 F:	package/execline/
 F:	package/mdevd/
 F:	package/s6-dns/