sbe: Fix build on Fedora33

Commit 7965ad6 attempted to fix the SBE build on Fedora 33, but was not
really fixing the issue, which lies with the fact that we're using a
LD_LIBRARY_PATH during build.

Fix that by removing the LD_LIBRARY_PATH, looks like the build is
successful even without it.

Signed-off-by: Klaus Heinrich Kiwi <klaus@linux.vnet.ibm.com>

openpower/package/sbe/sbe.mk

@@ -14,8 +14,7 @@ SBE_INSTALL_IMAGES = YES
 SBE_INSTALL_TARGET = NO
 
 define SBE_BUILD_CMDS
-	SBE_COMMIT_ID=$(SBE_VERSION) $(HOST_MAKE_ENV) $(MAKE) -C $(@D) \
-                LD_LIBRARY_PATH=$(HOST_DIR)/usr/lib \
+	SBE_COMMIT_ID=$(SBE_VERSION) $(TARGET_MAKE_ENV) $(MAKE) -C $(@D) \
 		CROSS_COMPILER_PATH=$(PPE42_GCC_BIN) \
 		all
 endef