For SLE 15 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:godfreychung/SLE_15/home:godfreychung.repo
zypper refresh
zypper install pcsc-acsccid
For SLE 12 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:godfreychung/SLE_12/home:godfreychung.repo
zypper refresh
zypper install pcsc-acsccid
For SLE 11 SP4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:godfreychung/SLE_11_SP4/home:godfreychung.repo
zypper refresh
zypper install pcsc-acsccid