MIPS: MSP71xx: remove inline marking of EXPORT_SYMBOL functions

EXPORT_SYMBOL and inline directives are contradictory to each other.
The patch fixes this inconsistency.

Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Denis Efremov <yefremov.denis@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Cc: trivial@kernel.org
Cc: ldv-project@linuxtesting.org
Patchwork: https://patchwork.linux-mips.org/patch/5227/Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/pmcs-msp71xx/msp_prom.c

@@ -83,7 +83,7 @@ static inline unsigned char str2hexnum(unsigned char c)
 	return 0; /* foo */
 }
 
-static inline int str2eaddr(unsigned char *ea, unsigned char *str)
+int str2eaddr(unsigned char *ea, unsigned char *str)
 {
 	int index = 0;
 	unsigned char num = 0;