sngrep: upgrade 1.8.3 -> 1.8.4

Included tag in the SRC_URI and dropped explicitly setting PV in the recipe

Changelog:
https://github.com/irontec/sngrep/blob/v1.8.4/ChangeLog

Signed-off-by: Ankur Tyagi <ankur.tyagi85@gmail.com>
Signed-off-by: Khem Raj <khem.raj@oss.qualcomm.com>

meta-networking/recipes-support/sngrep/sngrep_1.8.4.bb

@@ -15,10 +15,8 @@ DEPENDS = "\
     ncurses \
 "
 
-SRC_URI = "git://github.com/irontec/sngrep.git;protocol=https;branch=master"
-SRCREV = "c77bd75a52d1aac96ae9d1603f2b7dfbe7e90ffd"
-PV .= "+git"
-
+SRC_URI = "git://github.com/irontec/sngrep.git;protocol=https;branch=master;tag=v${PV}"
+SRCREV = "9c370866afaf5ccb258bf03848b2d22f30cf61bd"
 
 inherit cmake pkgconfig