fix coding style issues in lib/qr/mqrspec.c
remove typedef MQRspec_Capacity struct
remove errno value being set
fix lines exceeding 80 characters in lib/qr/qrinpin lib/qr/mask.h
fix most checkpatch.pl detected issues
remove typedef for RS struct
remove initialization for static; fix other checkpatch issues
remove initialization for static; fix other checkpatch issues; use
unsigned char instead of data_t
remove option QR_OOPS
add option QR_OOPS in printk() submenu
add copyright and remove debug code
remove debug comments
fix coding style issues in rscode.c