skmm-ep: remove duplicated definition

Remove the duplicated definition to fix the following build errors:
| apps/skmm/lib/skmm_sram.c:42:18: error: redefinition of 'pa_to_va'
| apps/skmm/lib/skmm_sram.c:51:20: error: redefinition of 'va_to_pa'

Upstream-Status: Pending

Signed-off-by: Zhenhua Luo <zhenhua.luo@freescale.com>

diff --git a/apps/skmm/lib/skmm_sram.c b/apps/skmm/lib/skmm_sram.c
index 2d84d93..6ab0421 100644
--- a/apps/skmm/lib/skmm_sram.c
+++ b/apps/skmm/lib/skmm_sram.c
@@ -39,24 +39,6 @@
 static phys_addr_t sram_phys_addr;
 static va_addr_t sram_virt_addr;
 
-inline va_addr_t pa_to_va(phys_addr_t addr)
-{
-	va_addr_t offset;
-
-	offset = (va_addr_t)(addr - sram_phys_addr);
-
-	return sram_virt_addr + offset;
-}
-
-inline phys_addr_t va_to_pa(va_addr_t addr)
-{
-	phys_addr_t offset;
-
-	offset = (phys_addr_t)(addr - sram_virt_addr);
-
-	return sram_phys_addr + offset;
-}
-
 static int setup_law_for_plt_sram(phys_addr_t l2sram, u32 *size)
 {
 	int fd;
--