Change in coreboot[master]: qemu-q35: Use the TSC for udelay

[Michael van der Westhuizen (Code Review)]

Michael van der Westhuizen has uploaded this change for review. ( https://review.coreboot.org/28526

Change subject: qemu-q35: Use the TSC for udelay
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qemu-q35: Use the TSC for udelay

Use the TSC for delays on q35, ensuring that the TSC delay code is
included in the correct stages when selected.

Tested on qemu-35 and wedge-100s (for no regressions).

Change-Id: I3f8368509807974bfcf2a0fcff7a4aa21adf47ed
Signed-off-by: Michael van der Westhuizen 
---
M src/cpu/qemu-x86/Kconfig
M src/cpu/qemu-x86/Makefile.inc
2 files changed, 2 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/26/28526/1

diff --git a/src/cpu/qemu-x86/Kconfig b/src/cpu/qemu-x86/Kconfig
index ea2bc46..ab8e1a9 100644
--- a/src/cpu/qemu-x86/Kconfig
+++ b/src/cpu/qemu-x86/Kconfig
@@ -20,3 +20,4 @@
    select ARCH_ROMSTAGE_X86_32
    select ARCH_RAMSTAGE_X86_32
    select SMP
+	select UDELAY_TSC
diff --git a/src/cpu/qemu-x86/Makefile.inc b/src/cpu/qemu-x86/Makefile.inc
index b5f8369..288eea6 100644
--- a/src/cpu/qemu-x86/Makefile.inc
+++ b/src/cpu/qemu-x86/Makefile.inc
@@ -16,3 +16,4 @@
 subdirs-y += ../x86/mtrr
 subdirs-y += ../x86/lapic
 subdirs-y += ../x86/smm
+subdirs-y += ../x86/tsc