[XS] Change in flashrom[master]: Makefile: Remove a bashism when searching for sphinx-build

[Bart De Schuymer (Code Review)]

Bart De Schuymer has uploaded this change for review. ( https://review.coreboot.org/c/flashrom/+/77288?usp=email )

Change subject: Makefile: Remove a bashism when searching for sphinx-build
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Makefile: Remove a bashism when searching for sphinx-build

e.g. when the shell is dash and sphinx-build is not installed, HAS_SPHINXBUILD would be wongly set to yes.

Change-Id: I4d89e24ec3401446acec857eae134928bc3064d2
Signed-off-by: Bart De Schuymer 
---
M Makefile
1 file changed, 1 insertion(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/88/77288/1

diff --git a/Makefile b/Makefile
index bc3eecb..bf01d0f 100644
--- a/Makefile
+++ b/Makefile
@@ -250,7 +250,7 @@
 HAS_LINUX_SPI       := $(call c_compile_test, Makefile.d/linux_spi_test.c)
 HAS_LINUX_I2C       := $(call c_compile_test, Makefile.d/linux_i2c_test.c)
 HAS_SERIAL          := $(strip $(if $(filter $(TARGET_OS), DOS libpayload), no, yes))
-HAS_SPHINXBUILD     := $(shell command -v $(SPHINXBUILD) &>/dev/null && echo yes || echo no)
+HAS_SPHINXBUILD     := $(shell command -v $(SPHINXBUILD) >/dev/null 2>/dev/null && echo yes || echo no)
 EXEC_SUFFIX         := $(strip $(if $(filter $(TARGET_OS), DOS MinGW), .exe))

override CFLAGS += -Iinclude