[PATCH] Documentation: fix blackfin gptimers-example build errors

[Randy Dunlap]

From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>

Don't build the blackfin gptimers-example module when BFIN_GPTIMERS
is not enabled. Allow the build when BFIN_GPTIMERS is =y or =m.

I believe that this patch fixes these build errors, but I don't
have a build environment to test this.

ERROR: "disable_gptimers" [Documentation/blackfin/gptimers-example.ko] undefined!
ERROR: "enable_gptimers" [Documentation/blackfin/gptimers-example.ko] undefined!
ERROR: "set_gptimer_config" [Documentation/blackfin/gptimers-example.ko] undefined!
ERROR: "clear_gptimer_intr" [Documentation/blackfin/gptimers-example.ko] undefined!
ERROR: "get_gptimer_period" [Documentation/blackfin/gptimers-example.ko] undefined!
ERROR: "get_gptimer_pwidth" [Documentation/blackfin/gptimers-example.ko] undefined!
ERROR: "get_gptimer_intr" [Documentation/blackfin/gptimers-example.ko] undefined!

Reported-by: Fenggaung Wu <fengguang.wu@xxxxxxxxx>
Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
---
 Documentation/blackfin/Makefile |    2 ++
 1 file changed, 2 insertions(+)

--- lnx-319-rc4.orig/Documentation/blackfin/Makefile
+++ lnx-319-rc4/Documentation/blackfin/Makefile
@@ -1,3 +1,5 @@
 ifneq ($(CONFIG_BLACKFIN),)
+ifneq ($(CONFIG_BFIN_GPTIMERS,)
 obj-m := gptimers-example.o
 endif
+endif
--
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