Blackfin: sport_uart resources: remove unused secondary RX/TX pins

The SPORT/UART driver doesn't use the secondary channel pins, so don't
try and request them thus keeping other drivers from using them.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

diff --cc arch/blackfin/mach-bf518/boards/ezbrd.c
Simple merge

diff --cc arch/blackfin/mach-bf518/boards/tcm-bf518.c
Simple merge

diff --cc arch/blackfin/mach-bf527/boards/ad7160eval.c
Simple merge

diff --cc arch/blackfin/mach-bf527/boards/cm_bf527.c
Simple merge

diff --cc arch/blackfin/mach-bf527/boards/ezbrd.c
Simple merge

diff --cc arch/blackfin/mach-bf527/boards/ezkit.c
Simple merge

diff --cc arch/blackfin/mach-bf527/boards/tll6527m.c
Simple merge

diff --cc arch/blackfin/mach-bf533/boards/blackstamp.c
Simple merge

diff --cc arch/blackfin/mach-bf533/boards/cm_bf533.c
Simple merge

diff --cc arch/blackfin/mach-bf533/boards/stamp.c
Simple merge

diff --cc arch/blackfin/mach-bf537/boards/cm_bf537e.c
Simple merge

diff --cc arch/blackfin/mach-bf537/boards/cm_bf537u.c
Simple merge

diff --cc arch/blackfin/mach-bf537/boards/minotaur.c
Simple merge

diff --cc arch/blackfin/mach-bf537/boards/stamp.c
Simple merge

diff --cc arch/blackfin/mach-bf537/boards/tcm_bf537.c
Simple merge

diff --cc arch/blackfin/mach-bf538/boards/ezkit.c
Simple merge

diff --cc arch/blackfin/mach-bf548/boards/cm_bf548.c
Simple merge

diff --cc arch/blackfin/mach-bf548/boards/ezkit.c
Simple merge