soc/amd/phoenix/Kconfig: Update comment

Fix copy-paste comment on closing endif

Signed-off-by: Fred Reitberger <reitbergerfred@gmail.com>
Change-Id: I9671a9228c304988eb3903391f74a21d80d0a8bc
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74734
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
diff --git a/src/soc/amd/phoenix/Kconfig b/src/soc/amd/phoenix/Kconfig
index 64617f9..48fd2a5 100644
--- a/src/soc/amd/phoenix/Kconfig
+++ b/src/soc/amd/phoenix/Kconfig
@@ -504,4 +504,4 @@
 
 endif # VBOOT_SLOTS_RW_AB && VBOOT_STARTS_BEFORE_BOOTBLOCK
 
-endif # SOC_AMD_REMBRANDT_BASE
+endif # SOC_AMD_PHOENIX