fix(sgx): do not use rbx register in asm!()

error: invalid register rbx: rbx is used internally by LLVM and
cannot be used as an operand for inline asm

So, we pull in a newer `sgx` crate version, which has this fixed.

See:
rust-lang/rust#84658 (comment)

and:
https://github.com/rust-lang/rust/pull/84658/files#diff-d7283132d97a993fad4e2d491ac883dbce4e17fe248cdf37fa3f9334e2a5a115

Signed-off-by: Harald Hoyer <[email protected]>

Author: haraldh

internal/shim-sgx/Cargo.lock

@@ -14,7 +14,7 @@ sgx-heap = { path = "../sgx-heap" }
 sallyport = { git = "https://github.com/enarx/sallyport", rev = "efccf0f" }
 rcrt1 = { git = "https://github.com/enarx/rcrt1", rev = "2205dc7" }
 compiler_builtins = { version = "0.1", default-features = false, features = [ "mem" ] }
-sgx = { git = "https://github.com/enarx/sgx", rev = "5292e53", features = [ "asm" ] }
+sgx = { git = "https://github.com/enarx/sgx", rev = "4bb50e55bc8717c5bc2a98d680bf1be436cda8de", features = [ "asm" ] }
 goblin = { version = "0.3", default-features = false, features = [ "elf64" ] }
 crt0stack = { version = "0.1", default-features = false }
 libc = { version = "0.2", default-features = false }