x86: Convert arch_fsp_init() to use events

Convert this to use events instead of calling a function directly in the
init sequence.

Rename it to arch_fsp_init_f() to distinguish it from the one that happens
after relocation.

For FSPv2 nothing needs to be done here, so drop the empty function.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/common/board_f.c b/common/board_f.c
index a485ba6..46008ba 100644
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -855,9 +855,7 @@
 #if defined(CONFIG_CONSOLE_RECORD_INIT_F)
 	console_record_init,
 #endif
-#if defined(CONFIG_HAVE_FSP)
-	arch_fsp_init,
-#endif
+	INITCALL_EVENT(EVT_FSP_INIT_F),
 	arch_cpu_init,		/* basic arch cpu dependent setup */
 	mach_cpu_init,		/* SoC/machine dependent CPU setup */
 	initf_dm,