HDLC_PPP: Fix Configure-Ack to return original options as required by the standard.
HDLC_PPP: Fix Configure-Ack to return original options as required by the standard.

Signed-off-by: Krzysztof Hałasa <7ffc4bfffc0726593d1f058990d80f1d8b36bc5a@pm.waw.pl>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas