flashrom: fix typos in patch descriptions

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/flashrom/0001-spi.patch

@@ -5,7 +5,7 @@ so it must be included before it is used, by SPI_IOC_MESSAGE
 from linux/spi/spidev.h
 
 Fixes build errors with the musl C library, as seen in these
-Buidlroot autobuilder failures:
+Buildroot autobuilder failures:
 
     http://autobuild.buildroot.org/results/2a3/2a3744007c630c267575a638ebcd83a4b97644f5/build-end.log
     http://autobuild.buildroot.org/results/3de/3de936d9be79e151e66af15193084d82a0f2c04a/build-end.log

package/flashrom/0002-sys-io.h.patch

@@ -5,7 +5,7 @@ However, its inclusion is conditional to the _GLIBC_ define. This is
 usually OK under Linux, since both glibc and uClibc define it (uclibc
 fakes being glibc).
 
-But the mus lC library does not impersonate glibc, so we're missing
+But the musl C library does not impersonate glibc, so we're missing
 including sys/io.h in this case.
 
 Change the include from checking _GLIBC_ to checking whether this is