[baseline] Enable SP on the heap on future

Bug: v8:11872
Change-Id: Iaaf3ed68950a6a9fe60f91d73be8a0fbc17e1116
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3129424
Commit-Queue: Victor Gomes <victorgomes@chromium.org>
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Auto-Submit: Victor Gomes <victorgomes@chromium.org>
Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/main@{#76578}

src/flags/flag-definitions.h

@@ -506,6 +506,7 @@ DEFINE_WEAK_IMPLICATION(future, turbo_inline_js_wasm_calls)
 #if ENABLE_SPARKPLUG
 DEFINE_WEAK_IMPLICATION(future, sparkplug)
 DEFINE_WEAK_IMPLICATION(future, flush_baseline_code)
+DEFINE_WEAK_IMPLICATION(future, sparkplug_on_heap)
 #endif
 #if V8_SHORT_BUILTIN_CALLS
 DEFINE_WEAK_IMPLICATION(future, short_builtin_calls)