actua1/actua2/actua3: Fix multiple unused variable warnings

- actua1:
	actux1.c: In function 'checkboard':
	actux1.c:92: warning: unused variable 'revision'

- actua2:
	actux2.c: In function 'checkboard':
	actux2.c:100: warning: unused variable 's'
	actux2.c:99: warning: unused variable 'revision'
	actux2.c: In function 'reset_phy':
	actux2.c:130: warning: unused variable 'i'

- actua3:
	actux3.c: In function 'checkboard':
	actux3.c:114: warning: unused variable 'revision'

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
3 files changed