lksctp-tools: upgrade 1.0.19 -> 1.0.20

ChangeLog:
https://github.com/sctp/lksctp-tools/blob/v1.0.20/ChangeLog

Drop redundant variables LK_REL, SOLIBVERSION and SOLIBMAJORVERSION in
recipe.

Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
(cherry picked from commit 162039c327)

Adapted to Kirkstone.

Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>

meta-networking/recipes-support/lksctp-tools/lksctp-tools_1.0.20.bb

@@ -8,10 +8,9 @@ LIC_FILES_CHKSUM = " \
     file://COPYING;md5=0c56db0143f4f80c369ee3af7425af6e \
 "
 
-SRCREV = "05b50d379ff0037de4957bb2a1befcce88b70225"
+SRCREV = "311fcdeb5cb41612d4be66b16f0f2ad6675a6af8"
 
 PV .= "+git${SRCPV}"
-LK_REL = "1.0.19"
 
 SRC_URI = " \
     git://github.com/sctp/lksctp-tools.git;branch=master;protocol=https \
@@ -34,19 +33,14 @@ do_install_ptest () {
     done
 }
 
-SOLIBVERSION="${LK_REL}"
-SOLIBMAJORVERSION="1"
-
 PACKAGES =+ "${PN}-withsctp ${PN}-utils"
 
 FILES:${PN} = " \
-    ${libdir}/libsctp.so.${SOLIBVERSION} \
-    ${libdir}/libsctp.so.${SOLIBMAJORVERSION} \
+    ${libdir}/libsctp.so.* \
 "
 
 FILES:${PN}-withsctp = " \
-    ${libdir}/lksctp-tools/libwithsctp.so.${SOLIBVERSION} \
-    ${libdir}/lksctp-tools/libwithsctp.so.${SOLIBMAJORVERSION} \
+    ${libdir}/lksctp-tools/libwithsctp.so.* \
 "
 
 FILES:${PN}-dev += " \