libbpf: Update to v1.2.2

Update to the latest upstream release to include recent bugfixes:

Link: https://github.com/libbpf/libbpf/compare/v1.2.0...v1.2.2
Signed-off-by: Tony Ambardar <[email protected]>

package/libs/libbpf/Makefile

@@ -8,13 +8,13 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libbpf
-PKG_VERSION:=1.2.0
+PKG_VERSION:=1.2.2
 PKG_RELEASE:=1
 
 PKG_SOURCE_URL:=https://github.com/libbpf/libbpf
+PKG_MIRROR_HASH:=d20f5a226e5729c87c367f3fba61c44d5e13176ef12637d0e0b30629fa3ab0d6
 PKG_SOURCE_PROTO:=git
-PKG_SOURCE_VERSION:=fbd60dbff51c870f5e80a17c4f2fd639eb80af90
-PKG_MIRROR_HASH:=80a80dfba71576e017b596fb28068e2a92de629e426f063e4b37314c8d576336
+PKG_SOURCE_VERSION:=1728e3e4bef0e138ea95ffe62163eb9a6ac6fa32
 PKG_ABI_VERSION:=$(firstword $(subst .,$(space),$(PKG_VERSION)))
 
 PKG_MAINTAINER:=Tony Ambardar <[email protected]>