fsp/surv: Remove tb print on surv error
fsp/surv: Remove tb print on surv error

Now that the log automatically timestamps entries, remove the tb print
in the error paths.

Signed-off-by: Ananth N Mavinakayanahalli <7dc108d19a2513f6455353af182b9e4d3b794ec9@in.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <a7089bb6e7e92505d88aaff006cbdd60cc9120b6@kernel.crashing.org>

shenki/skiboot,shenki/skiboot,neelegup/skiboot,shenki/skiboot,ddstreet/skiboot,csmart/skiboot,apopple/skiboot,qemu/skiboot,mikey/skiboot,mikey/skiboot,ddstreet/skiboot,open-power/skiboot,qemu/skiboot,stewart-ibm/skiboot,stewart-ibm/skiboot,legoater/skiboot,jk-ozlabs/skiboot,jk-ozlabs/skiboot,shenki/skiboot,open-power/skiboot,neelegup/skiboot,csmart/skiboot,open-power/skiboot,apopple/skiboot,qemu/skiboot,mikey/skiboot,open-power/skiboot,jk-ozlabs/skiboot,legoater/skiboot,cyrilbur-ibm/skiboot,legoater/skiboot,apopple/skiboot,neelegup/skiboot,legoater/skiboot,cyrilbur-ibm/skiboot,open-power/skiboot,ddstreet/skiboot,csmart/skiboot,cyrilbur-ibm/skiboot,stewart-ibm/skiboot,shenki/skiboot,qemu/skiboot,qemu/skiboot,legoater/skiboot