hw/exynos4210_combiner.c: Drop excessive read/write access check.

Access to reserved area at offset higher than 0x3c is allowed in
External Combiner. Samsung Galaxy Kernel implements this. So, drop
excessive checks in read/write functions.
Signed-off-by: NEvgeny Voevodin <e.voevodin@samsung.com>
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

hw/exynos4210_combiner.c

@@ -184,11 +184,6 @@ exynos4210_combiner_read(void *opaque, target_phys_addr_t offset, unsigned size)
     uint32_t reg_n;              /* Register number inside the quad */
     uint32_t val;
 
-    if (s->external && (offset > 0x3c && offset != 0x100)) {
-        hw_error("exynos4210.combiner: unallowed read access at offset 0x"
-                TARGET_FMT_plx "\n", offset);
-    }
-
     req_quad_base_n = offset >> 4;
     grp_quad_base_n = req_quad_base_n << 2;
     reg_n = (offset - (req_quad_base_n << 4)) >> 2;
@@ -281,11 +276,6 @@ static void exynos4210_combiner_write(void *opaque, target_phys_addr_t offset,
     uint32_t grp_quad_base_n;    /* Base of group quad */
     uint32_t reg_n;              /* Register number inside the quad */
 
-    if (s->external && (offset > 0x3c && offset != 0x100)) {
-        hw_error("exynos4210.combiner: unallowed write access at offset 0x"
-                TARGET_FMT_plx "\n", offset);
-    }
-
     req_quad_base_n = offset >> 4;
     grp_quad_base_n = req_quad_base_n << 2;
     reg_n = (offset - (req_quad_base_n << 4)) >> 2;