Fix libsgx_epid ldflags #591

Job	Run time
build-deb-mainnet (goleveldb)	8m 28s
build-deb-testnet (goleveldb)	8m 43s
build-deb-testnet-2004 (goleveldb)	9m 23s
check-hw-tool	5m 32s
Lib-Checks	7s
MacOS-ARM64-CLI	2m 58s
native-build-cli (ubuntu-22.04)	2m 32s
publish-localsecret	10m 19s
native-build-cli (windows-latest)	8m 3s
Ubuntu-2004-CLI	2m 44s
native-build-cli (macos-13)	5m 32s
Release	0s
	1h 4m 21s

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