x86/platform/amd: Move the <asm/amd_hsmp.h> header to <asm/amd/hsmp.h>

Collect AMD specific platform header files in <asm/amd/*.h>.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Borislav Petkov (AMD) <bp@alien8.de>
Cc: Carlos Bilbao <carlos.bilbao@kernel.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mario Limonciello <superm1@kernel.org>
Cc: Naveen Krishna Chatradhi <naveenkrishna.chatradhi@amd.com>
Link: https://lore.kernel.org/r/20250413084144.3746608-5-mingo@kernel.org

MAINTAINERS

@@ -1097,7 +1097,7 @@ R:	Carlos Bilbao <carlos.bilbao@kernel.org>
 L:	platform-driver-x86@vger.kernel.org
 S:	Maintained
 F:	Documentation/arch/x86/amd_hsmp.rst
-F:	arch/x86/include/asm/amd_hsmp.h
+F:	arch/x86/include/asm/amd/hsmp.h
 F:	arch/x86/include/uapi/asm/amd_hsmp.h
 F:	drivers/platform/x86/amd/hsmp/
 

drivers/platform/x86/amd/hsmp/acpi.c

@@ -9,7 +9,7 @@
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
-#include <asm/amd_hsmp.h>
+#include <asm/amd/hsmp.h>
 
 #include <linux/acpi.h>
 #include <linux/device.h>

drivers/platform/x86/amd/hsmp/hsmp.c

@@ -7,7 +7,7 @@
  * This file provides a device implementation for HSMP interface
  */
 
-#include <asm/amd_hsmp.h>
+#include <asm/amd/hsmp.h>
 
 #include <linux/acpi.h>
 #include <linux/delay.h>

drivers/platform/x86/amd/hsmp/plat.c

@@ -9,7 +9,7 @@
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
-#include <asm/amd_hsmp.h>
+#include <asm/amd/hsmp.h>
 
 #include <linux/build_bug.h>
 #include <linux/device.h>