uftrace: add PV to update the package version

uftrace_0.9.4.bb now doesn't actually use exact 0.9.4 version, so it has
to add a PV value to update the package version.

Signed-off-by: Honggyu Kim <honggyu.kp@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-devtools/uftrace/uftrace_0.9.4.bb

@@ -10,13 +10,12 @@ DEPENDS_append_libc-musl = " argp-standalone"
 
 inherit autotools
 
+PV .= "+git${SRCPV}"
 SRCREV = "d648bbffedef529220896283fb59e35531c13804"
 SRC_URI = "git://github.com/namhyung/${BPN} \
            "
 S = "${WORKDIR}/git"
 
-PR .= "+git${SRCPV}"
-
 LDFLAGS_append_libc-musl = " -largp"
 
 def set_target_arch(d):