xen/arm: cpregs: Fix typo in the documentation of TTBCR

Signed-off-by: Julien Grall <julien.grall@linaro.org>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>

xen/include/asm-arm/cpregs.h

@@ -141,7 +141,7 @@
 #define HSTR            p15,4,c1,c1,3   /* Hyp. System Trap Register */
 
 /* CP15 CR2: Translation Table Base and Control Registers */
-#define TTBCR           p15,0,c2,c0,2   /* Translatation Table Base Control Register */
+#define TTBCR           p15,0,c2,c0,2   /* Translation Table Base Control Register */
 #define TTBR0           p15,0,c2        /* Translation Table Base Reg. 0 */
 #define TTBR1           p15,1,c2        /* Translation Table Base Reg. 1 */
 #define HTTBR           p15,4,c2        /* Hyp. Translation Table Base Register */