UBI-Utils: Rename old ubi library

Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>

diff --git a/ubi-utils/inc/libubi.h b/ubi-utils/inc/libubiold.h
similarity index 100%
rename from ubi-utils/inc/libubi.h
rename to ubi-utils/inc/libubiold.h

diff --git a/ubi-utils/src/libubi.c b/ubi-utils/src/libubiold.c
similarity index 100%
rename from ubi-utils/src/libubi.c
rename to ubi-utils/src/libubiold.c

diff --git a/ubi-utils/src/libubi_int.h b/ubi-utils/src/libubiold_int.h
similarity index 100%
rename from ubi-utils/src/libubi_int.h
rename to ubi-utils/src/libubiold_int.h

diff --git a/ubi-utils/src/libubi_sysfs.c b/ubi-utils/src/libubiold_sysfs.c
similarity index 100%
rename from ubi-utils/src/libubi_sysfs.c
rename to ubi-utils/src/libubiold_sysfs.c

diff --git a/ubi-utils/src/libubi_sysfs.h b/ubi-utils/src/libubiold_sysfs.h
similarity index 100%
rename from ubi-utils/src/libubi_sysfs.h
rename to ubi-utils/src/libubiold_sysfs.h