m32r: fix arch/m32r/boot/compressed/Makefile
m32r: fix arch/m32r/boot/compressed/Makefile

- Fix a comment string
- Fix a typo of $(suffix-y)

Signed-off-by: Hirokazu Takata <cf11bbe1b6d3d076b415c503f9127c50075c83bd@linux-m32r.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs