sparse: fix cast from restricted beint64_t in hdata/memory.c
sparse: fix cast from restricted beint64_t in hdata/memory.c

Since skiboot is BE, no skiboot binary change

hdata/memory.c:131:9: warning: cast from restricted beint64_t
hdata/memory.c:131:9: warning: cast from restricted beint64_t

Signed-off-by: Stewart Smith <ec31ab75ddf977353c8f660f92ea8b23f64aef25@linux.vnet.ibm.com>

legoater/skiboot,open-power/skiboot,qemu/skiboot,legoater/skiboot,stewart-ibm/skiboot,qemu/skiboot,shenki/skiboot,open-power/skiboot,stewart-ibm/skiboot,csmart/skiboot,shenki/skiboot,csmart/skiboot,mikey/skiboot,shenki/skiboot,legoater/skiboot,shenki/skiboot,qemu/skiboot,mikey/skiboot,shenki/skiboot,open-power/skiboot,qemu/skiboot,stewart-ibm/skiboot,csmart/skiboot,open-power/skiboot,legoater/skiboot,qemu/skiboot,legoater/skiboot,open-power/skiboot,mikey/skiboot