Fix compile_gpdb_sles_11 fail due to apu-1-config

apu-1-config is still being pulled from Ivy for sles, so we need to keep
the --with-apu-config flag for sles.
Co-authored-by: NAmil Khanzada <akhanzada@pivotal.io>
Co-authored-by: NSambitesh Dash <sdash@pivotal.io>

gpAux/Makefile

@@ -151,11 +151,14 @@ DEFPORT=5432
 ORCA_CONFIG=--enable-orca
 ifneq "$(findstring $(BLD_ARCH),win32 win64)" ""
 APR_CONFIG=--with-apr-config=$(GPPGDIR)/src/bin/gpfdist/ext/bin/apr-1-config
-APU_CONFIG=--with-apu-config=$(BLD_THIRDPARTY_BIN_DIR)/apu-1-config
 OPENSSL=openssl-1.0.2l
 BLD_THIRDPARTY_OPENSSL_INCLUDES=-I$(GPPGDIR)/src/bin/gpfdist/ext/$(OPENSSL)/include
 endif
 
+ifneq "$(findstring $(BLD_ARCH),suse11_x86_64 sles11_x86_64)" ""
+APU_CONFIG=--with-apu-config=$(BLD_THIRDPARTY_BIN_DIR)/apu-1-config
+endif
+
 aix7_ppc_64_CONFIGFLAGS=--disable-gpcloud --without-readline --without-libcurl --disable-orca --disable-pxf --without-zstd $(APR_CONFIG)
 win32_CONFIGFLAGS=--with-gssapi --without-libcurl --disable-orca --disable-pxf --disable-gpcloud --without-libbz2 $(APR_CONFIG)
 sol10_x86_64_CONFIGFLAGS= --with-libxml $(APR_CONFIG)